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<span id="1104">1104</span>
</pre><pre class='rust '>
<span class='attribute'>#<span class='op'>!</span>[<span class='ident'>allow</span>(<span class='ident'>non_camel_case_types</span>, <span class='ident'>non_upper_case_globals</span>, <span class='ident'>non_snake_case</span>)]</span>
<span class='attribute'>#<span class='op'>!</span>[<span class='ident'>allow</span>(<span class='ident'>dead_code</span>)]</span>
<span class='attribute'>#<span class='op'>!</span>[<span class='ident'>doc</span>(<span class='ident'>html_root_url</span><span class='op'>=</span><span class='string'>&quot;https://sfackler.github.io/rust-openssl/doc/v0.7.17&quot;</span>)]</span>

<span class='kw'>extern</span> <span class='kw'>crate</span> <span class='ident'>libc</span>;

<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>&quot;nacl&quot;</span>)]</span>
<span class='kw'>extern</span> <span class='kw'>crate</span> <span class='ident'>libressl_pnacl_sys</span>;

<span class='kw'>use</span> <span class='ident'>libc</span>::{<span class='ident'>c_void</span>, <span class='ident'>c_int</span>, <span class='ident'>c_char</span>, <span class='ident'>c_ulong</span>, <span class='ident'>c_long</span>, <span class='ident'>c_uint</span>, <span class='ident'>c_uchar</span>, <span class='ident'>size_t</span>, <span class='ident'>FILE</span>};
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>mem</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ptr</span>;
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>sync</span>::{<span class='ident'>Mutex</span>, <span class='ident'>MutexGuard</span>};
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>sync</span>::{<span class='ident'>Once</span>, <span class='ident'>ONCE_INIT</span>};

<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>ASN1_INTEGER</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>ASN1_STRING</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>ASN1_TIME</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>ASN1_TYPE</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>BN_CTX</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>BN_GENCB</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>COMP_METHOD</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>DH</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>ENGINE</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>EVP_CIPHER_CTX</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>EVP_MD</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>EVP_PKEY_CTX</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>SSL</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>SSL_CIPHER</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>SSL_CTX</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>SSL_METHOD</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>X509</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>X509_CRL</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>X509_EXTENSION</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>X509_NAME</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>X509_NAME_ENTRY</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>X509_REQ</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>X509_STORE_CTX</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>bio_st</span> <span class='op'>=</span> <span class='ident'>c_void</span>;
<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>PKCS12</span>(<span class='ident'>c_void</span>);

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>stack_st_X509</span> {
    <span class='kw'>pub</span> <span class='ident'>stack</span>: <span class='ident'>_STACK</span>,
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>stack_st_X509_EXTENSION</span> {
    <span class='kw'>pub</span> <span class='ident'>stack</span>: <span class='ident'>_STACK</span>,
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>stack_st_GENERAL_NAME</span> {
    <span class='kw'>pub</span> <span class='ident'>stack</span>: <span class='ident'>_STACK</span>,
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>stack_st_void</span> {
    <span class='kw'>pub</span> <span class='ident'>stack</span>: <span class='ident'>_STACK</span>,
}

<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>bio_info_cb</span> <span class='op'>=</span> <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>,
                                                   <span class='ident'>c_int</span>,
                                                   <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>,
                                                   <span class='ident'>c_int</span>,
                                                   <span class='ident'>c_long</span>,
                                                   <span class='ident'>c_long</span>)<span class='op'>&gt;</span>;

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Copy</span>, <span class='ident'>Clone</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>BIO_METHOD</span> {
    <span class='kw'>pub</span> <span class='ident'>type_</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>name</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>,
    <span class='kw'>pub</span> <span class='ident'>bwrite</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>, <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>bread</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>, <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>bputs</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>bgets</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>, <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>ctrl</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>c_int</span>, <span class='ident'>c_long</span>, <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>create</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>destroy</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>callback_ctrl</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>c_int</span>, <span class='ident'>bio_info_cb</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span><span class='op'>&gt;</span>,
}

<span class='comment'>// so we can create static BIO_METHODs</span>
<span class='kw'>unsafe</span> <span class='kw'>impl</span> <span class='ident'>Sync</span> <span class='kw'>for</span> <span class='ident'>BIO_METHOD</span> {}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>_STACK</span> {
    <span class='kw'>pub</span> <span class='ident'>num</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>,
    <span class='kw'>pub</span> <span class='ident'>sorted</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>num_alloc</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>comp</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>, <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>)<span class='op'>&gt;</span>,
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>RSA</span> {
    <span class='kw'>pub</span> <span class='ident'>pad</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>version</span>: <span class='ident'>c_long</span>,
    <span class='kw'>pub</span> <span class='ident'>meth</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>,

    <span class='kw'>pub</span> <span class='ident'>engine</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='kw'>pub</span> <span class='ident'>n</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,
    <span class='kw'>pub</span> <span class='ident'>e</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,
    <span class='kw'>pub</span> <span class='ident'>d</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,
    <span class='kw'>pub</span> <span class='ident'>p</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,
    <span class='kw'>pub</span> <span class='ident'>q</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,
    <span class='kw'>pub</span> <span class='ident'>dmp1</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,
    <span class='kw'>pub</span> <span class='ident'>dmq1</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,
    <span class='kw'>pub</span> <span class='ident'>iqmp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,

    <span class='kw'>pub</span> <span class='ident'>ex_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='kw'>pub</span> <span class='ident'>references</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>flags</span>: <span class='ident'>c_int</span>,

    <span class='kw'>pub</span> <span class='ident'>_method_mod_n</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='kw'>pub</span> <span class='ident'>_method_mod_p</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='kw'>pub</span> <span class='ident'>_method_mod_q</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,

    <span class='kw'>pub</span> <span class='ident'>bignum_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>,
    <span class='kw'>pub</span> <span class='ident'>blinding</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='kw'>pub</span> <span class='ident'>mt_blinding</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>DSA</span> {
    <span class='kw'>pub</span> <span class='ident'>pad</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>version</span>: <span class='ident'>c_long</span>,
    <span class='kw'>pub</span> <span class='ident'>write_params</span>: <span class='ident'>c_int</span>,

    <span class='kw'>pub</span> <span class='ident'>p</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,
    <span class='kw'>pub</span> <span class='ident'>q</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,
    <span class='kw'>pub</span> <span class='ident'>g</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,
    <span class='kw'>pub</span> <span class='ident'>pub_key</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,
    <span class='kw'>pub</span> <span class='ident'>priv_key</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,
    <span class='kw'>pub</span> <span class='ident'>kinv</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,
    <span class='kw'>pub</span> <span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>,

    <span class='kw'>pub</span> <span class='ident'>flags</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>_method_mont_p</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='kw'>pub</span> <span class='ident'>references</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>ex_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='kw'>pub</span> <span class='ident'>meth</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>,
    <span class='kw'>pub</span> <span class='ident'>engine</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>,
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>EVP_PKEY</span> {
    <span class='kw'>pub</span> <span class='ident'>type_</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>save_type</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>references</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>ameth</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>,
    <span class='kw'>pub</span> <span class='ident'>engine</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ENGINE</span>,
    <span class='kw'>pub</span> <span class='ident'>pkey</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='kw'>pub</span> <span class='ident'>save_parameters</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>attributes</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>BIO</span> {
    <span class='kw'>pub</span> <span class='ident'>method</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO_METHOD</span>,
    <span class='kw'>pub</span> <span class='ident'>callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>,
                                              <span class='ident'>c_int</span>,
                                              <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>,
                                              <span class='ident'>c_int</span>,
                                              <span class='ident'>c_long</span>,
                                              <span class='ident'>c_long</span>)
                                              <span class='op'>-&gt;</span> <span class='ident'>c_long</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>cb_arg</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>,
    <span class='kw'>pub</span> <span class='ident'>init</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>shutdown</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>flags</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>retry_reason</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>num</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>ptr</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='kw'>pub</span> <span class='ident'>next_bio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>,
    <span class='kw'>pub</span> <span class='ident'>prev_bio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>,
    <span class='kw'>pub</span> <span class='ident'>references</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>num_read</span>: <span class='ident'>c_ulong</span>,
    <span class='kw'>pub</span> <span class='ident'>num_write</span>: <span class='ident'>c_ulong</span>,
    <span class='kw'>pub</span> <span class='ident'>ex_data</span>: <span class='ident'>CRYPTO_EX_DATA</span>,
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>CRYPTO_EX_DATA</span> {
    <span class='kw'>pub</span> <span class='ident'>sk</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>stack_st_void</span>,
    <span class='kw'>pub</span> <span class='ident'>dummy</span>: <span class='ident'>c_int</span>,
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>EVP_MD_CTX</span> {
    <span class='ident'>digest</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_MD</span>,
    <span class='ident'>engine</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='ident'>flags</span>: <span class='ident'>c_ulong</span>,
    <span class='ident'>md_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='ident'>pctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY_CTX</span>,
    <span class='ident'>update</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>
}

<span class='kw'>impl</span> <span class='ident'>Copy</span> <span class='kw'>for</span> <span class='ident'>EVP_MD_CTX</span> {}
<span class='kw'>impl</span> <span class='ident'>Clone</span> <span class='kw'>for</span> <span class='ident'>EVP_MD_CTX</span> {
    <span class='kw'>fn</span> <span class='ident'>clone</span>(<span class='kw-2'>&amp;</span><span class='self'>self</span>) <span class='op'>-&gt;</span> <span class='ident'>EVP_MD_CTX</span> { <span class='op'>*</span><span class='self'>self</span> }
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>EVP_CIPHER</span> {
    <span class='kw'>pub</span> <span class='ident'>nid</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>block_size</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>key_len</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>iv_len</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>flags</span>: <span class='ident'>c_ulong</span>,
    <span class='kw'>pub</span> <span class='ident'>init</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>,
                                          <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>,
                                          <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>,
                                          <span class='ident'>size_t</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>do_cipher</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>,
                                               <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>,
                                               <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>,
                                               <span class='ident'>size_t</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>cleanup</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>ctx_size</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>set_asn1_parameters</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>,
                                                         <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ASN1_TYPE</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>get_asn1_parameters</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>,
                                                         <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ASN1_TYPE</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>ctrl</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>,
                                          <span class='ident'>c_int</span>,
                                          <span class='ident'>c_int</span>,
                                          <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>,
    <span class='kw'>pub</span> <span class='ident'>app_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
}

<span class='kw'>impl</span> <span class='ident'>Copy</span> <span class='kw'>for</span> <span class='ident'>EVP_CIPHER</span> {}
<span class='kw'>impl</span> <span class='ident'>Clone</span> <span class='kw'>for</span> <span class='ident'>EVP_CIPHER</span> {
    <span class='kw'>fn</span> <span class='ident'>clone</span>(<span class='kw-2'>&amp;</span><span class='self'>self</span>) <span class='op'>-&gt;</span> <span class='ident'>EVP_CIPHER</span> { <span class='op'>*</span><span class='self'>self</span> }
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>HMAC_CTX</span> {
    <span class='ident'>md</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_MD</span>,
    <span class='ident'>md_ctx</span>: <span class='ident'>EVP_MD_CTX</span>,
    <span class='ident'>i_ctx</span>: <span class='ident'>EVP_MD_CTX</span>,
    <span class='ident'>o_ctx</span>: <span class='ident'>EVP_MD_CTX</span>,
    <span class='ident'>key_length</span>: <span class='ident'>c_uint</span>,
    <span class='ident'>key</span>: [<span class='ident'>c_uchar</span>; <span class='number'>128</span>]
}

<span class='kw'>impl</span> <span class='ident'>Copy</span> <span class='kw'>for</span> <span class='ident'>HMAC_CTX</span> {}
<span class='kw'>impl</span> <span class='ident'>Clone</span> <span class='kw'>for</span> <span class='ident'>HMAC_CTX</span> {
    <span class='kw'>fn</span> <span class='ident'>clone</span>(<span class='kw-2'>&amp;</span><span class='self'>self</span>) <span class='op'>-&gt;</span> <span class='ident'>HMAC_CTX</span> { <span class='op'>*</span><span class='self'>self</span> }
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>X509V3_CTX</span> {
    <span class='ident'>flags</span>: <span class='ident'>c_int</span>,
    <span class='ident'>issuer_cert</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='ident'>subject_cert</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='ident'>subject_req</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='ident'>crl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='ident'>db_meth</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='ident'>db</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='comment'>// I like the last comment line, it is copied from OpenSSL sources:</span>
    <span class='comment'>// Maybe more here</span>
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>GENERAL_NAME</span> {
    <span class='kw'>pub</span> <span class='ident'>type_</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>d</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
}

<span class='kw'>impl</span> <span class='ident'>Copy</span> <span class='kw'>for</span> <span class='ident'>GENERAL_NAME</span> {}
<span class='kw'>impl</span> <span class='ident'>Clone</span> <span class='kw'>for</span> <span class='ident'>GENERAL_NAME</span> {
    <span class='kw'>fn</span> <span class='ident'>clone</span>(<span class='kw-2'>&amp;</span><span class='self'>self</span>) <span class='op'>-&gt;</span> <span class='ident'>GENERAL_NAME</span> { <span class='op'>*</span><span class='self'>self</span> }
}

<span class='kw'>impl</span> <span class='ident'>Copy</span> <span class='kw'>for</span> <span class='ident'>X509V3_CTX</span> {}
<span class='kw'>impl</span> <span class='ident'>Clone</span> <span class='kw'>for</span> <span class='ident'>X509V3_CTX</span> {
    <span class='kw'>fn</span> <span class='ident'>clone</span>(<span class='kw-2'>&amp;</span><span class='self'>self</span>) <span class='op'>-&gt;</span> <span class='ident'>X509V3_CTX</span> { <span class='op'>*</span><span class='self'>self</span> }
}

<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>BIGNUM</span> {
    <span class='kw'>pub</span> <span class='ident'>d</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
    <span class='kw'>pub</span> <span class='ident'>top</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>dmax</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>neg</span>: <span class='ident'>c_int</span>,
    <span class='kw'>pub</span> <span class='ident'>flags</span>: <span class='ident'>c_int</span>,
}

<span class='kw'>impl</span> <span class='ident'>Copy</span> <span class='kw'>for</span> <span class='ident'>BIGNUM</span> {}
<span class='kw'>impl</span> <span class='ident'>Clone</span> <span class='kw'>for</span> <span class='ident'>BIGNUM</span> {
    <span class='kw'>fn</span> <span class='ident'>clone</span>(<span class='kw-2'>&amp;</span><span class='self'>self</span>) <span class='op'>-&gt;</span> <span class='ident'>BIGNUM</span> { <span class='op'>*</span><span class='self'>self</span> }
}

<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>CRYPTO_EX_new</span> <span class='op'>=</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='ident'>parent</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>, <span class='ident'>ptr</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
                                       <span class='ident'>ad</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>CRYPTO_EX_DATA</span>, <span class='ident'>idx</span>: <span class='ident'>c_int</span>,
                                       <span class='ident'>argl</span>: <span class='ident'>c_long</span>, <span class='ident'>argp</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>CRYPTO_EX_dup</span> <span class='op'>=</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='ident'>to</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>CRYPTO_EX_DATA</span>,
                                       <span class='ident'>from</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>CRYPTO_EX_DATA</span>, <span class='ident'>from_d</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
                                       <span class='ident'>idx</span>: <span class='ident'>c_int</span>, <span class='ident'>argl</span>: <span class='ident'>c_long</span>, <span class='ident'>argp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>)
                                       <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>CRYPTO_EX_free</span> <span class='op'>=</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='ident'>parent</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>, <span class='ident'>ptr</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>,
                                        <span class='ident'>ad</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>CRYPTO_EX_DATA</span>, <span class='ident'>idx</span>: <span class='ident'>c_int</span>,
                                        <span class='ident'>argl</span>: <span class='ident'>c_long</span>, <span class='ident'>argp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>);
<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>PasswordCallback</span> <span class='op'>=</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='ident'>buf</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>, <span class='ident'>size</span>: <span class='ident'>c_int</span>,
                                          <span class='ident'>rwflag</span>: <span class='ident'>c_int</span>, <span class='ident'>user_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>)
                                          <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>BIO_TYPE_NONE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>0</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>BIO_CTRL_EOF</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>2</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>BIO_CTRL_INFO</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>3</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>BIO_CTRL_FLUSH</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>11</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>BIO_C_SET_BUF_MEM_EOF_RETURN</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>130</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>BIO_FLAGS_READ</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>0x01</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>BIO_FLAGS_WRITE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>0x02</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>BIO_FLAGS_IO_SPECIAL</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>0x04</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>BIO_FLAGS_RWS</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='ident'>BIO_FLAGS_READ</span> <span class='op'>|</span> <span class='ident'>BIO_FLAGS_WRITE</span> <span class='op'>|</span> <span class='ident'>BIO_FLAGS_IO_SPECIAL</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>BIO_FLAGS_SHOULD_RETRY</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>0x08</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>CRYPTO_LOCK</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>1</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>EVP_MAX_MD_SIZE</span>: <span class='ident'>c_uint</span> <span class='op'>=</span> <span class='number'>64</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>EVP_PKEY_RSA</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='ident'>NID_rsaEncryption</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>MBSTRING_ASC</span>:  <span class='ident'>c_int</span> <span class='op'>=</span> <span class='ident'>MBSTRING_FLAG</span> <span class='op'>|</span> <span class='number'>1</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>MBSTRING_BMP</span>:  <span class='ident'>c_int</span> <span class='op'>=</span> <span class='ident'>MBSTRING_FLAG</span> <span class='op'>|</span> <span class='number'>2</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>MBSTRING_FLAG</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>0x1000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>MBSTRING_UNIV</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='ident'>MBSTRING_FLAG</span> <span class='op'>|</span> <span class='number'>4</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>MBSTRING_UTF8</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='ident'>MBSTRING_FLAG</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>NID_rsaEncryption</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>6</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>NID_ext_key_usage</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>126</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>NID_key_usage</span>:     <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>83</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>PKCS5_SALT_LEN</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>8</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>RSA_F4</span>: <span class='ident'>c_long</span> <span class='op'>=</span> <span class='number'>0x10001</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_CTRL_SET_TMP_DH</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>3</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_CTRL_EXTRA_CHAIN_CERT</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>14</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_CTRL_OPTIONS</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>32</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_CTRL_MODE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>33</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_CTRL_SET_READ_AHEAD</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>41</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_CTRL_SET_TLSEXT_SERVERNAME_CB</span>:  <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>53</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>54</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_CTRL_SET_TLSEXT_HOSTNAME</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>55</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_CTRL_CLEAR_OPTIONS</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>77</span>;
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;ecdh_auto&quot;</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_CTRL_SET_ECDH_AUTO</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>94</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER</span>: <span class='ident'>c_long</span> <span class='op'>=</span> <span class='number'>2</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_MODE_AUTO_RETRY</span>: <span class='ident'>c_long</span> <span class='op'>=</span> <span class='number'>4</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_ERROR_NONE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_ERROR_SSL</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>1</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_ERROR_SYSCALL</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>5</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_ERROR_WANT_ACCEPT</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>8</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_ERROR_WANT_CONNECT</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>7</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_ERROR_WANT_READ</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>2</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_ERROR_WANT_WRITE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>3</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_ERROR_WANT_X509_LOOKUP</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>4</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_ERROR_ZERO_RETURN</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>6</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_VERIFY_NONE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_VERIFY_PEER</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>1</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_VERIFY_FAIL_IF_NO_PEER_CERT</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>2</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_MICROSOFT_SESS_ID_BUG</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                    <span class='number'>0x00000001</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_NETSCAPE_CHALLENGE_BUG</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                   <span class='number'>0x00000002</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG</span>: <span class='ident'>c_long</span> <span class='op'>=</span>         <span class='number'>0x00000008</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_TLSEXT_PADDING</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                           <span class='number'>0x00000010</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER</span>: <span class='ident'>c_long</span> <span class='op'>=</span>               <span class='number'>0x00000020</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_SSLEAY_080_CLIENT_DH_BUG</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                 <span class='number'>0x00000080</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_TLS_D5_BUG</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                               <span class='number'>0x00000100</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_TLS_BLOCK_PADDING_BUG</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                    <span class='number'>0x00000200</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS</span>: <span class='ident'>c_long</span> <span class='op'>=</span>              <span class='number'>0x00000800</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_ALL</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                                      <span class='number'>0x80000BFF</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_QUERY_MTU</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                             <span class='number'>0x00001000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_COOKIE_EXCHANGE</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                          <span class='number'>0x00002000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_TICKET</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                                <span class='number'>0x00004000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_CISCO_ANYCONNECT</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                         <span class='number'>0x00008000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION</span>: <span class='ident'>c_long</span> <span class='op'>=</span>   <span class='number'>0x00010000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_COMPRESSION</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                           <span class='number'>0x00020000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION</span>: <span class='ident'>c_long</span> <span class='op'>=</span>        <span class='number'>0x00040000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_SINGLE_ECDH_USE</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                          <span class='number'>0x00080000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_SINGLE_DH_USE</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                            <span class='number'>0x00100000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_CIPHER_SERVER_PREFERENCE</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                 <span class='number'>0x00400000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_TLS_ROLLBACK_BUG</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                         <span class='number'>0x00800000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_SSLv2</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                                 <span class='number'>0x01000000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_SSLv3</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                                 <span class='number'>0x02000000</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_TLSv1</span>: <span class='ident'>c_long</span> <span class='op'>=</span>                                 <span class='number'>0x04000000</span>;

<span class='comment'>// Intentionally not bound since they conflict with SSL_OP_PKCS1_CHECK_1 and</span>
<span class='comment'>// SSL_OP_PKCS1_CHECK_2 on 0.9.8 :(</span>
<span class='comment'>/*
pub const SSL_OP_NO_TLSv1_2: c_long =                               0x08000000;
pub const SSL_OP_NO_TLSv1_1: c_long =                               0x10000000;
pub const SSL_OP_NO_DTLSv1: c_long =                                0x04000000;
pub const SSL_OP_NO_DTLSv1_2: c_long =                              0x08000000;
pub const SSL_OP_NO_SSL_MASK: c_long = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 |
    SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1 | SSL_OP_NO_TLSv1_2;
*/</span>

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>TLSEXT_NAMETYPE_host_name</span>: <span class='ident'>c_long</span> <span class='op'>=</span> <span class='number'>0</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_TLSEXT_ERR_OK</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_TLSEXT_ERR_ALERT_WARNING</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>1</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_TLSEXT_ERR_ALERT_FATAL</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>2</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSL_TLSEXT_ERR_NOACK</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>3</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSLEAY_VERSION</span> : <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSLEAY_CFLAGS</span> : <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>2</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSLEAY_BUILT_ON</span> : <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>3</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSLEAY_PLATFORM</span> : <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>4</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>SSLEAY_DIR</span> : <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>5</span>;

<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>any</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;npn&quot;</span>, <span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;alpn&quot;</span>))]</span>
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>OPENSSL_NPN_UNSUPPORTED</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>any</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;npn&quot;</span>, <span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;alpn&quot;</span>))]</span>
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>OPENSSL_NPN_NEGOTIATED</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>1</span>;
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>any</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;npn&quot;</span>, <span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;alpn&quot;</span>))]</span>
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>OPENSSL_NPN_NO_OVERLAP</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>2</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>V_ASN1_GENERALIZEDTIME</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>24</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>V_ASN1_UTCTIME</span>:         <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>23</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_FILETYPE_ASN1</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>2</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_FILETYPE_DEFAULT</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>3</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_FILETYPE_PEM</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>1</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>31</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_AKID_SKID_MISMATCH</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>30</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_APPLICATION_VERIFICATION</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>50</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_CERT_CHAIN_TOO_LONG</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>22</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_CERT_HAS_EXPIRED</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>10</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_CERT_NOT_YET_VALID</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>9</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_CERT_REJECTED</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>28</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_CERT_REVOKED</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>23</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_CERT_SIGNATURE_FAILURE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>7</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_CERT_UNTRUSTED</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>27</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_CRL_HAS_EXPIRED</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>12</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_CRL_NOT_YET_VALID</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>11</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_CRL_PATH_VALIDATION_ERROR</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>54</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_CRL_SIGNATURE_FAILURE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>8</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>18</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_DIFFERENT_CRL_SCOPE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>44</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>14</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>13</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>15</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>16</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_EXCLUDED_VIOLATION</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>48</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_INVALID_CA</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>24</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_INVALID_EXTENSION</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>41</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_INVALID_NON_CA</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>37</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_INVALID_POLICY_EXTENSION</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>42</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_INVALID_PURPOSE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>26</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_KEYUSAGE_NO_CERTSIGN</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>32</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_KEYUSAGE_NO_CRL_SIGN</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>35</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>39</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_NO_EXPLICIT_POLICY</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>43</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_OUT_OF_MEM</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>17</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_PATH_LENGTH_EXCEEDED</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>25</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_PERMITTED_VIOLATION</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>47</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>40</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>38</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>19</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_SUBJECT_ISSUER_MISMATCH</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>29</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_SUBTREE_MINMAX</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>49</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>6</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>4</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>5</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNABLE_TO_GET_CRL</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>3</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>33</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>2</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>20</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>21</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>36</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>34</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNNESTED_RESOURCE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>46</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>52</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>51</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>45</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_ERR_UNSUPPORTED_NAME_SYNTAX</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>53</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>X509_V_OK</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>0</span>;

<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>GEN_OTHERNAME</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>GEN_EMAIL</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>1</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>GEN_DNS</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>2</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>GEN_X400</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>3</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>GEN_DIRNAME</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>4</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>GEN_EDIPARTY</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>5</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>GEN_URI</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>6</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>GEN_IPADD</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>7</span>;
<span class='kw'>pub</span> <span class='kw'>const</span> <span class='ident'>GEN_RID</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='number'>8</span>;

<span class='kw'>static</span> <span class='kw-2'>mut</span> <span class='ident'>MUTEXES</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>Mutex</span><span class='op'>&lt;</span>()<span class='op'>&gt;&gt;</span> <span class='op'>=</span> <span class='number'>0</span> <span class='kw'>as</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>Vec</span><span class='op'>&lt;</span><span class='ident'>Mutex</span><span class='op'>&lt;</span>()<span class='op'>&gt;&gt;</span>;
<span class='kw'>static</span> <span class='kw-2'>mut</span> <span class='ident'>GUARDS</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>Vec</span><span class='op'>&lt;</span><span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>MutexGuard</span><span class='op'>&lt;</span><span class='lifetime'>&#39;static</span>, ()<span class='op'>&gt;&gt;</span><span class='op'>&gt;</span> <span class='op'>=</span> <span class='number'>0</span> <span class='kw'>as</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>Vec</span><span class='op'>&lt;</span><span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>MutexGuard</span><span class='op'>&lt;</span><span class='lifetime'>&#39;static</span>, ()<span class='op'>&gt;&gt;</span><span class='op'>&gt;</span>;

<span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='kw'>fn</span> <span class='ident'>locking_function</span>(<span class='ident'>mode</span>: <span class='ident'>c_int</span>, <span class='ident'>n</span>: <span class='ident'>c_int</span>, <span class='ident'>_file</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>,
                               <span class='ident'>_line</span>: <span class='ident'>c_int</span>) {
    <span class='kw'>let</span> <span class='ident'>mutex</span> <span class='op'>=</span> <span class='kw-2'>&amp;</span>(<span class='op'>*</span><span class='ident'>MUTEXES</span>)[<span class='ident'>n</span> <span class='kw'>as</span> <span class='ident'>usize</span>];

    <span class='kw'>if</span> <span class='ident'>mode</span> <span class='kw-2'>&amp;</span> <span class='ident'>CRYPTO_LOCK</span> <span class='op'>!=</span> <span class='number'>0</span> {
        (<span class='op'>*</span><span class='ident'>GUARDS</span>)[<span class='ident'>n</span> <span class='kw'>as</span> <span class='ident'>usize</span>] <span class='op'>=</span> <span class='prelude-val'>Some</span>(<span class='ident'>mutex</span>.<span class='ident'>lock</span>().<span class='ident'>unwrap</span>());
    } <span class='kw'>else</span> {
        <span class='kw-2'>&amp;</span>(<span class='op'>*</span><span class='ident'>GUARDS</span>)[<span class='ident'>n</span> <span class='kw'>as</span> <span class='ident'>usize</span>].<span class='ident'>take</span>();
    }
}

<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>init</span>() {
    <span class='kw'>static</span> <span class='ident'>INIT</span>: <span class='ident'>Once</span> <span class='op'>=</span> <span class='ident'>ONCE_INIT</span>;

    <span class='ident'>INIT</span>.<span class='ident'>call_once</span>(<span class='op'>||</span> {
        <span class='kw'>unsafe</span> {
            <span class='ident'>SSL_library_init</span>();
            <span class='ident'>SSL_load_error_strings</span>();
            <span class='ident'>OPENSSL_add_all_algorithms_noconf</span>();

            <span class='kw'>let</span> <span class='ident'>num_locks</span> <span class='op'>=</span> <span class='ident'>CRYPTO_num_locks</span>();
            <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>mutexes</span> <span class='op'>=</span> <span class='ident'>Box</span>::<span class='ident'>new</span>(<span class='ident'>Vec</span>::<span class='ident'>new</span>());
            <span class='kw'>for</span> _ <span class='kw'>in</span> <span class='number'>0</span>..<span class='ident'>num_locks</span> {
                <span class='ident'>mutexes</span>.<span class='ident'>push</span>(<span class='ident'>Mutex</span>::<span class='ident'>new</span>(()));
            }
            <span class='ident'>MUTEXES</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>transmute</span>(<span class='ident'>mutexes</span>);
            <span class='kw'>let</span> <span class='ident'>guards</span>: <span class='ident'>Box</span><span class='op'>&lt;</span><span class='ident'>Vec</span><span class='op'>&lt;</span><span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>MutexGuard</span><span class='op'>&lt;</span>()<span class='op'>&gt;&gt;</span><span class='op'>&gt;&gt;</span> <span class='op'>=</span>
                <span class='ident'>Box</span>::<span class='ident'>new</span>((<span class='number'>0</span>..<span class='ident'>num_locks</span>).<span class='ident'>map</span>(<span class='op'>|</span>_<span class='op'>|</span> <span class='prelude-val'>None</span>).<span class='ident'>collect</span>());
            <span class='ident'>GUARDS</span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>transmute</span>(<span class='ident'>guards</span>);

            <span class='ident'>CRYPTO_set_locking_callback</span>(<span class='ident'>locking_function</span>);
            <span class='ident'>set_id_callback</span>();
        }
    })
}

<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>unix</span>)]</span>
<span class='kw'>fn</span> <span class='ident'>set_id_callback</span>() {
    <span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span> <span class='ident'>thread_id</span>() <span class='op'>-&gt;</span> <span class='ident'>c_ulong</span> {
        <span class='ident'>libc</span>::<span class='ident'>pthread_self</span>() <span class='kw'>as</span> <span class='ident'>c_ulong</span>
    }

    <span class='kw'>unsafe</span> {
        <span class='ident'>CRYPTO_set_id_callback</span>(<span class='ident'>thread_id</span>);
    }
}

<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>not</span>(<span class='ident'>unix</span>))]</span>
<span class='kw'>fn</span> <span class='ident'>set_id_callback</span>() {}

<span class='comment'>// macros</span>
<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>BIO_get_mem_data</span>(<span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>pp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span> {
    <span class='ident'>BIO_ctrl</span>(<span class='ident'>b</span>, <span class='ident'>BIO_CTRL_INFO</span>, <span class='number'>0</span>, <span class='ident'>pp</span> <span class='kw'>as</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>)
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>BIO_clear_retry_flags</span>(<span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>) {
    <span class='ident'>BIO_clear_flags</span>(<span class='ident'>b</span>, <span class='ident'>BIO_FLAGS_RWS</span> <span class='op'>|</span> <span class='ident'>BIO_FLAGS_SHOULD_RETRY</span>)
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>BIO_set_retry_read</span>(<span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>) {
    <span class='ident'>BIO_set_flags</span>(<span class='ident'>b</span>, <span class='ident'>BIO_FLAGS_READ</span> <span class='op'>|</span> <span class='ident'>BIO_FLAGS_SHOULD_RETRY</span>)
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>BIO_set_retry_write</span>(<span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>) {
    <span class='ident'>BIO_set_flags</span>(<span class='ident'>b</span>, <span class='ident'>BIO_FLAGS_WRITE</span> <span class='op'>|</span> <span class='ident'>BIO_FLAGS_SHOULD_RETRY</span>)
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_mode</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>op</span>: <span class='ident'>c_long</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span> {
    <span class='ident'>SSL_CTX_ctrl</span>(<span class='ident'>ctx</span>, <span class='ident'>SSL_CTRL_MODE</span>, <span class='ident'>op</span>, <span class='ident'>ptr</span>::<span class='ident'>null_mut</span>())
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_options</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>op</span>: <span class='ident'>c_long</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span> {
    <span class='ident'>SSL_CTX_ctrl</span>(<span class='ident'>ctx</span>, <span class='ident'>SSL_CTRL_OPTIONS</span>, <span class='ident'>op</span>, <span class='ident'>ptr</span>::<span class='ident'>null_mut</span>())
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_clear_options</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>op</span>: <span class='ident'>c_long</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span> {
    <span class='ident'>SSL_CTX_ctrl</span>(<span class='ident'>ctx</span>, <span class='ident'>SSL_CTRL_CLEAR_OPTIONS</span>, <span class='ident'>op</span>, <span class='ident'>ptr</span>::<span class='ident'>null_mut</span>())
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_get_options</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span> {
    <span class='ident'>SSL_CTX_ctrl</span>(<span class='ident'>ctx</span>, <span class='ident'>SSL_CTRL_OPTIONS</span>, <span class='number'>0</span>, <span class='ident'>ptr</span>::<span class='ident'>null_mut</span>())
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_read_ahead</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>m</span>: <span class='ident'>c_long</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span> {
    <span class='ident'>SSL_CTX_ctrl</span>(<span class='ident'>ctx</span>, <span class='ident'>SSL_CTRL_SET_READ_AHEAD</span>, <span class='ident'>m</span>, <span class='ident'>ptr</span>::<span class='ident'>null_mut</span>())
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_tmp_dh</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>dh</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DH</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span> {
    <span class='ident'>SSL_CTX_ctrl</span>(<span class='ident'>ctx</span>, <span class='ident'>SSL_CTRL_SET_TMP_DH</span>, <span class='number'>0</span>, <span class='ident'>dh</span> <span class='kw'>as</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>)
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_add_extra_chain_cert</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>x509</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span> {
    <span class='ident'>SSL_CTX_ctrl</span>(<span class='ident'>ctx</span>, <span class='ident'>SSL_CTRL_EXTRA_CHAIN_CERT</span>, <span class='number'>0</span>, <span class='ident'>x509</span> <span class='kw'>as</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>)
}

<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;ecdh_auto&quot;</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_ecdh_auto</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>onoff</span>: <span class='ident'>c_long</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span> {
    <span class='ident'>SSL_CTX_ctrl</span>(<span class='ident'>ctx</span>, <span class='ident'>SSL_CTRL_SET_ECDH_AUTO</span>, <span class='ident'>onoff</span>, <span class='ident'>ptr</span>::<span class='ident'>null_mut</span>())
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_tlsext_servername_callback</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>,
                                                     <span class='ident'>cb</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>()<span class='op'>&gt;</span>)
                                                     <span class='op'>-&gt;</span> <span class='ident'>c_long</span> {
    <span class='ident'>SSL_CTX_callback_ctrl</span>(<span class='ident'>ctx</span>, <span class='ident'>SSL_CTRL_SET_TLSEXT_SERVERNAME_CB</span>, <span class='ident'>cb</span>)
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>SSL_set_tlsext_host_name</span>(<span class='ident'>s</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>, <span class='ident'>name</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span> {
    <span class='ident'>SSL_ctrl</span>(<span class='ident'>s</span>, <span class='ident'>SSL_CTRL_SET_TLSEXT_HOSTNAME</span>, <span class='ident'>TLSEXT_NAMETYPE_host_name</span>, <span class='ident'>name</span> <span class='kw'>as</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>)
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>EVP_CIPHER_block_size</span>(<span class='ident'>e</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span> {
    (<span class='op'>*</span><span class='ident'>e</span>).<span class='ident'>block_size</span>
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>EVP_CIPHER_key_length</span>(<span class='ident'>e</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span> {
    (<span class='op'>*</span><span class='ident'>e</span>).<span class='ident'>key_len</span>
}

<span class='kw'>pub</span> <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>EVP_CIPHER_iv_length</span>(<span class='ident'>e</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span> {
    (<span class='op'>*</span><span class='ident'>e</span>).<span class='ident'>iv_len</span>
}

<span class='comment'>// True functions</span>
<span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> {
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>ASN1_INTEGER_set</span>(<span class='ident'>dest</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ASN1_INTEGER</span>, <span class='ident'>value</span>: <span class='ident'>c_long</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>ASN1_STRING_type_new</span>(<span class='ident'>ty</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ASN1_STRING</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>ASN1_TIME_free</span>(<span class='ident'>tm</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ASN1_TIME</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>ASN1_TIME_print</span>(<span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>tm</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>ASN1_TIME</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BIO_ctrl</span>(<span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>cmd</span>: <span class='ident'>c_int</span>, <span class='ident'>larg</span>: <span class='ident'>c_long</span>, <span class='ident'>parg</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BIO_free_all</span>(<span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BIO_new</span>(<span class='ident'>type_</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>BIO_METHOD</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BIO_new_fp</span>(<span class='ident'>stream</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>FILE</span>, <span class='ident'>close_flag</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BIO_new_socket</span>(<span class='ident'>sock</span>: <span class='ident'>c_int</span>, <span class='ident'>close_flag</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BIO_read</span>(<span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>buf</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>, <span class='ident'>len</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BIO_write</span>(<span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>buf</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>, <span class='ident'>len</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BIO_s_file</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>BIO_METHOD</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BIO_s_mem</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>BIO_METHOD</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BIO_new_mem_buf</span>(<span class='ident'>buf</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>, <span class='ident'>len</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BIO_set_flags</span>(<span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>flags</span>: <span class='ident'>c_int</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BIO_clear_flags</span>(<span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>flags</span>: <span class='ident'>c_int</span>);

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_new</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_dup</span>(<span class='ident'>n</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_clear_free</span>(<span class='ident'>bn</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>);

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_CTX_new</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_CTX_free</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>);

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_num_bits</span>(<span class='ident'>bn</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_set_negative</span>(<span class='ident'>bn</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>n</span>: <span class='ident'>c_int</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_set_word</span>(<span class='ident'>bn</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>n</span>: <span class='ident'>c_ulong</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='comment'>/* Arithmetic operations on BIGNUMs */</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_add</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_div</span>(<span class='ident'>dv</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>rem</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_exp</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>p</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_gcd</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_mod_add</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>m</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_mod_exp</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>p</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>m</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_mod_inverse</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>n</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>BIGNUM</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_mod_mul</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>m</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_mod_sqr</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>m</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_mod_sub</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>m</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_mul</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_nnmod</span>(<span class='ident'>rem</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>m</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_add_word</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>w</span>: <span class='ident'>c_ulong</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_sub_word</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>w</span>: <span class='ident'>c_ulong</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_mul_word</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>w</span>: <span class='ident'>c_ulong</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_div_word</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>w</span>: <span class='ident'>c_ulong</span>) <span class='op'>-&gt;</span> <span class='ident'>c_ulong</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_mod_word</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>BIGNUM</span>, <span class='ident'>w</span>: <span class='ident'>c_ulong</span>) <span class='op'>-&gt;</span> <span class='ident'>c_ulong</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_sqr</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_sub</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='comment'>/* Bit operations on BIGNUMs */</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_clear_bit</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>n</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_is_bit_set</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>n</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_lshift</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>n</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_lshift1</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_mask_bits</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>n</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_rshift</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>n</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_set_bit</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>n</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_rshift1</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='comment'>/* Comparisons on BIGNUMs */</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_cmp</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_ucmp</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='comment'>/* Prime handling */</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_generate_prime_ex</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>bits</span>: <span class='ident'>c_int</span>, <span class='ident'>safe</span>: <span class='ident'>c_int</span>, <span class='ident'>add</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>rem</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>cb</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_is_prime_ex</span>(<span class='ident'>p</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>checks</span>: <span class='ident'>c_int</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>, <span class='ident'>cb</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_is_prime_fasttest_ex</span>(<span class='ident'>p</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>checks</span>: <span class='ident'>c_int</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_CTX</span>, <span class='ident'>do_trial_division</span>: <span class='ident'>c_int</span>, <span class='ident'>cb</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='comment'>/* Random number handling */</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_rand</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>bits</span>: <span class='ident'>c_int</span>, <span class='ident'>top</span>: <span class='ident'>c_int</span>, <span class='ident'>bottom</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_pseudo_rand</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>bits</span>: <span class='ident'>c_int</span>, <span class='ident'>top</span>: <span class='ident'>c_int</span>, <span class='ident'>bottom</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_rand_range</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>range</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_pseudo_rand_range</span>(<span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>range</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='comment'>/* Conversion from/to binary representation */</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_bin2bn</span>(<span class='ident'>s</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>size</span>: <span class='ident'>c_int</span>, <span class='ident'>ret</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_bn2bin</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>to</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='comment'>/* Conversion from/to decimal string representation */</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_dec2bn</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>s</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_bn2dec</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;

    <span class='comment'>/* Conversion from/to hexidecimal string representation */</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_hex2bn</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>s</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>BN_bn2hex</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>CRYPTO_num_locks</span>() <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>CRYPTO_set_locking_callback</span>(<span class='ident'>func</span>: <span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='ident'>mode</span>: <span class='ident'>c_int</span>,
                                                                  <span class='ident'>n</span>: <span class='ident'>c_int</span>,
                                                                  <span class='ident'>file</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>,
                                                                  <span class='ident'>line</span>: <span class='ident'>c_int</span>));
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>CRYPTO_set_id_callback</span>(<span class='ident'>func</span>: <span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>() <span class='op'>-&gt;</span> <span class='ident'>c_ulong</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>CRYPTO_free</span>(<span class='ident'>buf</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>CRYPTO_memcmp</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>, <span class='ident'>b</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>,
                         <span class='ident'>len</span>: <span class='ident'>size_t</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DH_free</span>(<span class='ident'>dh</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DH</span>);

    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;rfc5114&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DH_get_1024_160</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DH</span>;
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;rfc5114&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DH_get_2048_224</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DH</span>;
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;rfc5114&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DH_get_2048_256</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DH</span>;

    <span class='comment'>// FIXME delete on next version bump</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DH_new_from_params</span>(<span class='ident'>p</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>g</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>q</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DH</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>ERR_get_error</span>() <span class='op'>-&gt;</span> <span class='ident'>c_ulong</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>ERR_lib_error_string</span>(<span class='ident'>err</span>: <span class='ident'>c_ulong</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>ERR_func_error_string</span>(<span class='ident'>err</span>: <span class='ident'>c_ulong</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>ERR_reason_error_string</span>(<span class='ident'>err</span>: <span class='ident'>c_ulong</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>ERR_load_crypto_strings</span>();

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_md5</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_ripemd160</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_sha1</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_sha224</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_sha256</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_sha384</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_sha512</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_128_cbc</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_128_ecb</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;aes_xts&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_128_xts</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;aes_ctr&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_128_ctr</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='comment'>// fn EVP_aes_128_gcm() -&gt; EVP_CIPHER;</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_128_cfb1</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_128_cfb128</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_128_cfb8</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_256_cbc</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_256_ecb</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;aes_xts&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_256_xts</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;aes_ctr&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_256_ctr</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='comment'>// fn EVP_aes_256_gcm() -&gt; EVP_CIPHER;</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_256_cfb1</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_256_cfb128</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_aes_256_cfb8</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_rc4</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_des_cbc</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_des_ecb</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_BytesToKey</span>(<span class='ident'>typ</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>, <span class='ident'>md</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>,
                          <span class='ident'>salt</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>data</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>datalen</span>: <span class='ident'>c_int</span>,
                          <span class='ident'>count</span>: <span class='ident'>c_int</span>, <span class='ident'>key</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>, <span class='ident'>iv</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_CIPHER_CTX_new</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_CIPHER_CTX_set_padding</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>, <span class='ident'>padding</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_CIPHER_CTX_set_key_length</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>, <span class='ident'>keylen</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_CIPHER_CTX_free</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>);

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_CipherInit</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>, <span class='ident'>evp</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>,
                          <span class='ident'>key</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>iv</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>mode</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_CipherInit_ex</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>,
                             <span class='ident'>type_</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>,
                             <span class='ident'>impl_</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ENGINE</span>,
                             <span class='ident'>key</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>,
                             <span class='ident'>iv</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>,
                             <span class='ident'>enc</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_CipherUpdate</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>, <span class='ident'>outbuf</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>,
                            <span class='ident'>outlen</span>: <span class='kw-2'>&amp;</span><span class='kw-2'>mut</span> <span class='ident'>c_int</span>, <span class='ident'>inbuf</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>inlen</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_CipherFinal</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_CIPHER_CTX</span>, <span class='ident'>res</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>, <span class='ident'>len</span>: <span class='kw-2'>&amp;</span><span class='kw-2'>mut</span> <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_DigestInit</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_MD_CTX</span>, <span class='ident'>typ</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_DigestInit_ex</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_MD_CTX</span>, <span class='ident'>typ</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>, <span class='ident'>imple</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>ENGINE</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_DigestUpdate</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_MD_CTX</span>, <span class='ident'>data</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>n</span>: <span class='ident'>c_uint</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_DigestFinal</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_MD_CTX</span>, <span class='ident'>res</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>, <span class='ident'>n</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u32</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_DigestFinal_ex</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_MD_CTX</span>, <span class='ident'>res</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>, <span class='ident'>n</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u32</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_MD_CTX_create</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_MD_CTX</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_MD_CTX_copy_ex</span>(<span class='ident'>dst</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_MD_CTX</span>, <span class='ident'>src</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_MD_CTX_destroy</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_MD_CTX</span>);

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_PKEY_new</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_PKEY_free</span>(<span class='ident'>k</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_PKEY_assign</span>(<span class='ident'>pkey</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>, <span class='ident'>typ</span>: <span class='ident'>c_int</span>, <span class='ident'>key</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_PKEY_copy_parameters</span>(<span class='ident'>to</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>, <span class='ident'>from</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_PKEY</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_PKEY_get1_RSA</span>(<span class='ident'>k</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_PKEY_set1_RSA</span>(<span class='ident'>k</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>, <span class='ident'>r</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>EVP_PKEY_cmp</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_PKEY</span>, <span class='ident'>b</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_PKEY</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>HMAC_CTX_init</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>HMAC_CTX</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>HMAC_CTX_cleanup</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>HMAC_CTX</span>);
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;hmac_clone&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>HMAC_CTX_copy</span>(<span class='ident'>dst</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>HMAC_CTX</span>, <span class='ident'>src</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>HMAC_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_read_bio_DHparams</span>(<span class='ident'>bio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DH</span>, <span class='ident'>callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>PasswordCallback</span><span class='op'>&gt;</span>,
                             <span class='ident'>user_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DH</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_read_bio_X509</span>(<span class='ident'>bio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>PasswordCallback</span><span class='op'>&gt;</span>,
                             <span class='ident'>user_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_read_bio_X509_REQ</span>(<span class='ident'>bio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_REQ</span>, <span class='ident'>callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>PasswordCallback</span><span class='op'>&gt;</span>,
                             <span class='ident'>user_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_REQ</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_read_bio_PrivateKey</span>(<span class='ident'>bio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>, <span class='ident'>callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>PasswordCallback</span><span class='op'>&gt;</span>,
                             <span class='ident'>user_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_read_bio_PUBKEY</span>(<span class='ident'>bio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>, <span class='ident'>callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>PasswordCallback</span><span class='op'>&gt;</span>,
                             <span class='ident'>user_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_read_bio_RSAPrivateKey</span>(<span class='ident'>bio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>rsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>, <span class='ident'>callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>PasswordCallback</span><span class='op'>&gt;</span>, <span class='ident'>user_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_read_bio_RSA_PUBKEY</span>(<span class='ident'>bio</span>:    <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>rsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>, <span class='ident'>callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>PasswordCallback</span><span class='op'>&gt;</span>, <span class='ident'>user_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_write_bio_PrivateKey</span>(<span class='ident'>bio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>pkey</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>, <span class='ident'>cipher</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>,
                                    <span class='ident'>kstr</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>, <span class='ident'>klen</span>: <span class='ident'>c_int</span>,
                                    <span class='ident'>callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>PasswordCallback</span><span class='op'>&gt;</span>,
                                    <span class='ident'>user_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_write_bio_PUBKEY</span>(<span class='ident'>bp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_write_bio_RSAPrivateKey</span>(<span class='ident'>bp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>rsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>, <span class='ident'>cipher</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>,
                                        <span class='ident'>kstr</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>, <span class='ident'>klen</span>: <span class='ident'>c_int</span>,
                                        <span class='ident'>callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>PasswordCallback</span><span class='op'>&gt;</span>,
                                        <span class='ident'>user_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_write_bio_RSAPublicKey</span>(<span class='ident'>bp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>rsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_write_bio_RSA_PUBKEY</span>(<span class='ident'>bp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>rsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_read_bio_DSAPrivateKey</span>(<span class='ident'>bp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>dsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DSA</span>, <span class='ident'>callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>PasswordCallback</span><span class='op'>&gt;</span>,
                                      <span class='ident'>user_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DSA</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_read_bio_DSA_PUBKEY</span>(<span class='ident'>bp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>dsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DSA</span>, <span class='ident'>callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>PasswordCallback</span><span class='op'>&gt;</span>,
                                   <span class='ident'>user_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DSA</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_write_bio_DSAPrivateKey</span>(<span class='ident'>bp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>dsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DSA</span>, <span class='ident'>cipher</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_CIPHER</span>,
                                       <span class='ident'>kstr</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>, <span class='ident'>klen</span>: <span class='ident'>c_int</span>, <span class='ident'>callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>PasswordCallback</span><span class='op'>&gt;</span>,
                                       <span class='ident'>user_data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_write_bio_DSA_PUBKEY</span>(<span class='ident'>bp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>dsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DSA</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;



    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_write_bio_X509</span>(<span class='ident'>bio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>x509</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PEM_write_bio_X509_REQ</span>(<span class='ident'>bio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>x509</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_REQ</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PKCS5_PBKDF2_HMAC_SHA1</span>(<span class='ident'>pass</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>passlen</span>: <span class='ident'>c_int</span>,
                                  <span class='ident'>salt</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>saltlen</span>: <span class='ident'>c_int</span>,
                                  <span class='ident'>iter</span>: <span class='ident'>c_int</span>, <span class='ident'>keylen</span>: <span class='ident'>c_int</span>,
                                  <span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;pkcs5_pbkdf2_hmac&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PKCS5_PBKDF2_HMAC</span>(<span class='ident'>pass</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>passlen</span>: <span class='ident'>c_int</span>,
                             <span class='ident'>salt</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>saltlen</span>: <span class='ident'>c_int</span>,
                             <span class='ident'>iter</span>: <span class='ident'>c_int</span>, <span class='ident'>digest</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>, <span class='ident'>keylen</span>: <span class='ident'>c_int</span>,
                             <span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>RAND_bytes</span>(<span class='ident'>buf</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>, <span class='ident'>num</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>RSA_new</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>RSA_free</span>(<span class='ident'>rsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>RSA_generate_key</span>(<span class='ident'>modsz</span>: <span class='ident'>c_int</span>, <span class='ident'>e</span>: <span class='ident'>c_ulong</span>, <span class='ident'>cb</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>, <span class='ident'>cbarg</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>RSA_generate_key_ex</span>(<span class='ident'>rsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>, <span class='ident'>bits</span>: <span class='ident'>c_int</span>, <span class='ident'>e</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIGNUM</span>, <span class='ident'>cb</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BN_GENCB</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>RSA_private_decrypt</span>(<span class='ident'>flen</span>: <span class='ident'>c_int</span>, <span class='ident'>from</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>to</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>, <span class='ident'>k</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>,
                               <span class='ident'>pad</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>RSA_public_decrypt</span>(<span class='ident'>flen</span>: <span class='ident'>c_int</span>, <span class='ident'>from</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>to</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>, <span class='ident'>k</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>,
                               <span class='ident'>pad</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>RSA_private_encrypt</span>(<span class='ident'>flen</span>: <span class='ident'>c_int</span>, <span class='ident'>from</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>to</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>, <span class='ident'>k</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>,
                              <span class='ident'>pad</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>RSA_public_encrypt</span>(<span class='ident'>flen</span>: <span class='ident'>c_int</span>, <span class='ident'>from</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>to</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>, <span class='ident'>k</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>,
                              <span class='ident'>pad</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>RSA_sign</span>(<span class='ident'>t</span>: <span class='ident'>c_int</span>, <span class='ident'>m</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>mlen</span>: <span class='ident'>c_uint</span>, <span class='ident'>sig</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>, <span class='ident'>siglen</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uint</span>,
                    <span class='ident'>k</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>RSA_size</span>(<span class='ident'>k</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>RSA_verify</span>(<span class='ident'>t</span>: <span class='ident'>c_int</span>, <span class='ident'>m</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>mlen</span>: <span class='ident'>c_uint</span>, <span class='ident'>sig</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>siglen</span>: <span class='ident'>c_uint</span>,
                      <span class='ident'>k</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DSA_new</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DSA</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DSA_free</span>(<span class='ident'>dsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DSA</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DSA_size</span>(<span class='ident'>dsa</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>DSA</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DSA_generate_parameters_ex</span>(<span class='ident'>dsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DSA</span>, <span class='ident'>bits</span>: <span class='ident'>c_int</span>, <span class='ident'>seed</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>, <span class='ident'>seed_len</span>: <span class='ident'>c_int</span>,
                                      <span class='ident'>counter_ref</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_int</span>, <span class='ident'>h_ret</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_ulong</span>,
                                      <span class='ident'>cb</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DSA_generate_key</span>(<span class='ident'>dsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DSA</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DSA_sign</span>(<span class='ident'>dummy</span>: <span class='ident'>c_int</span>, <span class='ident'>dgst</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>, <span class='ident'>len</span>: <span class='ident'>c_int</span>, <span class='ident'>sigret</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>,
                    <span class='ident'>siglen</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uint</span>, <span class='ident'>dsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DSA</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DSA_verify</span>(<span class='ident'>dummy</span>: <span class='ident'>c_int</span>, <span class='ident'>dgst</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>, <span class='ident'>len</span>: <span class='ident'>c_int</span>, <span class='ident'>sigbuf</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>,
                      <span class='ident'>siglen</span>: <span class='ident'>c_int</span>, <span class='ident'>dsa</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>DSA</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_library_init</span>() <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_load_error_strings</span>();
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>OPENSSL_add_all_algorithms_noconf</span>();

    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;sslv2&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSLv2_method</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_METHOD</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSLv3_method</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_METHOD</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>TLSv1_method</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_METHOD</span>;
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;tlsv1_1&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>TLSv1_1_method</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_METHOD</span>;
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;tlsv1_2&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>TLSv1_2_method</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_METHOD</span>;
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;dtlsv1&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DTLSv1_method</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_METHOD</span>;
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;dtlsv1_2&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>DTLSv1_2_method</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_METHOD</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSLv23_method</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_METHOD</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_new</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_pending</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_free</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_set_bio</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>, <span class='ident'>rbio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>wbio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get_rbio</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get_wbio</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_accept</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_connect</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_do_handshake</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_ctrl</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>, <span class='ident'>cmd</span>: <span class='ident'>c_int</span>, <span class='ident'>larg</span>: <span class='ident'>c_long</span>,
                    <span class='ident'>parg</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get_error</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>, <span class='ident'>ret</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_read</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>, <span class='ident'>buf</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>, <span class='ident'>num</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_write</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>, <span class='ident'>buf</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>, <span class='ident'>num</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get_ex_data_X509_STORE_CTX_idx</span>() <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get_SSL_CTX</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_set_SSL_CTX</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get_current_compression</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>COMP_METHOD</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get_peer_certificate</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get_ssl_method</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_METHOD</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get_version</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_state_string</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_state_string_long</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_set_verify</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>,
                          <span class='ident'>mode</span>: <span class='ident'>c_int</span>,
                          <span class='ident'>verify_callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>extern</span> <span class='kw'>fn</span>(<span class='ident'>c_int</span>, <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_STORE_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get_ex_new_index</span>(<span class='ident'>argl</span>: <span class='ident'>c_long</span>, <span class='ident'>argp</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>,
                                <span class='ident'>new_func</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CRYPTO_EX_new</span><span class='op'>&gt;</span>,
                                <span class='ident'>dup_func</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CRYPTO_EX_dup</span><span class='op'>&gt;</span>,
                                <span class='ident'>free_func</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CRYPTO_EX_free</span><span class='op'>&gt;</span>)
                                <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_set_ex_data</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>, <span class='ident'>idx</span>: <span class='ident'>c_int</span>, <span class='ident'>data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get_ex_data</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>, <span class='ident'>idx</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get_servername</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL</span>, <span class='ident'>name_type</span>: <span class='ident'>c_long</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_COMP_get_name</span>(<span class='ident'>comp</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>COMP_METHOD</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get_current_cipher</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_CIPHER</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CIPHER_get_name</span>(<span class='ident'>cipher</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_CIPHER</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CIPHER_get_bits</span>(<span class='ident'>cipher</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_CIPHER</span>, <span class='ident'>alg_bits</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CIPHER_get_version</span>(<span class='ident'>cipher</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_CIPHER</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CIPHER_description</span>(<span class='ident'>cipher</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_CIPHER</span>, <span class='ident'>buf</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>, <span class='ident'>size</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_new</span>(<span class='ident'>method</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL_METHOD</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_free</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_ctrl</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>cmd</span>: <span class='ident'>c_int</span>, <span class='ident'>larg</span>: <span class='ident'>c_long</span>, <span class='ident'>parg</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_callback_ctrl</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>cmd</span>: <span class='ident'>c_int</span>, <span class='ident'>fp</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>()<span class='op'>&gt;</span>) <span class='op'>-&gt;</span> <span class='ident'>c_long</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_verify</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>mode</span>: <span class='ident'>c_int</span>,
                              <span class='ident'>verify_callback</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>extern</span> <span class='kw'>fn</span>(<span class='ident'>c_int</span>, <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_STORE_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span><span class='op'>&gt;</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_verify_depth</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>depth</span>: <span class='ident'>c_int</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_load_verify_locations</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>CAfile</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>,
                                         <span class='ident'>CApath</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_default_verify_paths</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_get_ex_new_index</span>(<span class='ident'>argl</span>: <span class='ident'>c_long</span>, <span class='ident'>argp</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>,
                                    <span class='ident'>new_func</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CRYPTO_EX_new</span><span class='op'>&gt;</span>,
                                    <span class='ident'>dup_func</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CRYPTO_EX_dup</span><span class='op'>&gt;</span>,
                                    <span class='ident'>free_func</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='ident'>CRYPTO_EX_free</span><span class='op'>&gt;</span>)
                                    <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_ex_data</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>idx</span>: <span class='ident'>c_int</span>, <span class='ident'>data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>)
                               <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_get_ex_data</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>idx</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_session_id_context</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>sid_ctx</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>, <span class='ident'>sid_ctx_len</span>: <span class='ident'>c_uint</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_use_certificate_file</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>cert_file</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>, <span class='ident'>file_type</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_use_certificate_chain_file</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>cert_chain_file</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>, <span class='ident'>file_type</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_use_certificate</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>cert</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_use_PrivateKey_file</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>key_file</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>, <span class='ident'>file_type</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_use_PrivateKey</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>key</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_check_private_key</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_cipher_list</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>s</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;npn&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_next_protos_advertised_cb</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>,
                                                 <span class='ident'>cb</span>: <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>,
                                                                   <span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>,
                                                                   <span class='ident'>outlen</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uint</span>,
                                                                   <span class='ident'>arg</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>,
                                                 <span class='ident'>arg</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>);
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;npn&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_next_proto_select_cb</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>,
                                            <span class='ident'>cb</span>: <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>,
                                                              <span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>,
                                                              <span class='ident'>outlen</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>,
                                                              <span class='ident'>inbuf</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>,
                                                              <span class='ident'>inlen</span>: <span class='ident'>c_uint</span>,
                                                              <span class='ident'>arg</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>,
                                            <span class='ident'>arg</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>);
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>any</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;alpn&quot;</span>, <span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;npn&quot;</span>))]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_select_next_proto</span>(<span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>, <span class='ident'>outlen</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>,
                                 <span class='ident'>inbuf</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>, <span class='ident'>inlen</span>: <span class='ident'>c_uint</span>,
                                 <span class='ident'>client</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>, <span class='ident'>client_len</span>: <span class='ident'>c_uint</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;npn&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get0_next_proto_negotiated</span>(<span class='ident'>s</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL</span>, <span class='ident'>data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>, <span class='ident'>len</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uint</span>);

    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;alpn&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_alpn_protos</span>(<span class='ident'>s</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>, <span class='ident'>data</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>, <span class='ident'>len</span>: <span class='ident'>c_uint</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;alpn&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_set_alpn_protos</span>(<span class='ident'>s</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>, <span class='ident'>data</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>, <span class='ident'>len</span>: <span class='ident'>c_uint</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;alpn&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_CTX_set_alpn_select_cb</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL_CTX</span>,
                                            <span class='ident'>cb</span>: <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SSL</span>,
                                                              <span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>,
                                                              <span class='ident'>outlen</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>,
                                                              <span class='ident'>inbuf</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>,
                                                              <span class='ident'>inlen</span>: <span class='ident'>c_uint</span>,
                                                              <span class='ident'>arg</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>,
                                            <span class='ident'>arg</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>);
    <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>&quot;alpn&quot;</span>)]</span>
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSL_get0_alpn_selected</span>(<span class='ident'>s</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SSL</span>, <span class='ident'>data</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>, <span class='ident'>len</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uint</span>);

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_add_ext</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>ext</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_EXTENSION</span>, <span class='ident'>loc</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_digest</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>digest</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>, <span class='ident'>buf</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>, <span class='ident'>len</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uint</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_free</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_REQ_free</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_REQ</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_get_serialNumber</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ASN1_INTEGER</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_get_subject_name</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_NAME</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_gmtime_adj</span>(<span class='ident'>time</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ASN1_TIME</span>, <span class='ident'>adj</span>: <span class='ident'>c_long</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ASN1_TIME</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_new</span>() <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_set_issuer_name</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>name</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_NAME</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_set_notAfter</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>tm</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>ASN1_TIME</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_set_notBefore</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>tm</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>ASN1_TIME</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_set_version</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>version</span>: <span class='ident'>c_ulong</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_set_pubkey</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>pkey</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_sign</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>pkey</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>, <span class='ident'>md</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_get_pubkey</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_to_X509_REQ</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>pkey</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>, <span class='ident'>md</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_REQ</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_get_ext_d2i</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>nid</span>: <span class='ident'>c_int</span>, <span class='ident'>crit</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_int</span>, <span class='ident'>idx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_EXTENSION_free</span>(<span class='ident'>ext</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_EXTENSION</span>);

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_NAME_add_entry_by_txt</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>field</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>, <span class='ident'>ty</span>: <span class='ident'>c_int</span>, <span class='ident'>bytes</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>, <span class='ident'>len</span>: <span class='ident'>c_int</span>, <span class='ident'>loc</span>: <span class='ident'>c_int</span>, <span class='ident'>set</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_NAME_get_index_by_NID</span>(<span class='ident'>n</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_NAME</span>, <span class='ident'>nid</span>: <span class='ident'>c_int</span>, <span class='ident'>last_pos</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span><span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_NAME_get_entry</span>(<span class='ident'>n</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_NAME</span>, <span class='ident'>loc</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_NAME_ENTRY</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_NAME_ENTRY_get_data</span>(<span class='ident'>ne</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_NAME_ENTRY</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ASN1_STRING</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>ASN1_STRING_to_UTF8</span>(<span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>, <span class='ident'>s</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ASN1_STRING</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>ASN1_STRING_length</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ASN1_STRING</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>ASN1_STRING_data</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ASN1_STRING</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_STORE_CTX_get_current_cert</span>(<span class='ident'>ct</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_STORE_CTX</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_STORE_CTX_get_error</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_STORE_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_STORE_CTX_get_ex_data</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_STORE_CTX</span>, <span class='ident'>idx</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_STORE_CTX_get_error_depth</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_STORE_CTX</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509V3_EXT_conf_nid</span>(<span class='ident'>conf</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509V3_CTX</span>, <span class='ident'>ext_nid</span>: <span class='ident'>c_int</span>, <span class='ident'>value</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_EXTENSION</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509V3_EXT_conf</span>(<span class='ident'>conf</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>, <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509V3_CTX</span>, <span class='ident'>name</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>, <span class='ident'>value</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_EXTENSION</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509V3_set_ctx</span>(<span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509V3_CTX</span>, <span class='ident'>issuer</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>subject</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>req</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_REQ</span>, <span class='ident'>crl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_CRL</span>, <span class='ident'>flags</span>: <span class='ident'>c_int</span>);

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_REQ_add_extensions</span>(<span class='ident'>req</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_REQ</span>, <span class='ident'>exts</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>stack_st_X509_EXTENSION</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>X509_REQ_sign</span>(<span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_REQ</span>, <span class='ident'>pkey</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>, <span class='ident'>md</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>EVP_MD</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>d2i_X509</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>, <span class='ident'>pp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>, <span class='ident'>length</span>: <span class='ident'>c_long</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>i2d_X509_bio</span>(<span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>i2d_X509_REQ_bio</span>(<span class='ident'>b</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>BIO</span>, <span class='ident'>x</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509_REQ</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>i2d_RSA_PUBKEY</span>(<span class='ident'>k</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>, <span class='ident'>buf</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>d2i_RSA_PUBKEY</span>(<span class='ident'>k</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>, <span class='ident'>buf</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>len</span>: <span class='ident'>c_uint</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>i2d_RSAPrivateKey</span>(<span class='ident'>k</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>, <span class='ident'>buf</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>u8</span>) <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>d2i_RSAPrivateKey</span>(<span class='ident'>k</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>, <span class='ident'>buf</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>len</span>: <span class='ident'>c_uint</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>RSA</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>d2i_PKCS12</span>(<span class='ident'>a</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>PKCS12</span>, <span class='ident'>pp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>u8</span>, <span class='ident'>length</span>: <span class='ident'>c_long</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>PKCS12</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PKCS12_parse</span>(<span class='ident'>p12</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>PKCS12</span>,
                        <span class='ident'>pass</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>,
                        <span class='ident'>pkey</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>EVP_PKEY</span>,
                        <span class='ident'>cert</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>X509</span>,
                        <span class='ident'>ca</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>stack_st_X509</span>)
                        <span class='op'>-&gt;</span> <span class='ident'>c_int</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>PKCS12_free</span>(<span class='ident'>p12</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>PKCS12</span>);

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>sk_free</span>(<span class='ident'>st</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>_STACK</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>sk_pop_free</span>(<span class='ident'>st</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>_STACK</span>, <span class='ident'>free</span>: <span class='prelude-ty'>Option</span><span class='op'>&lt;</span><span class='kw'>unsafe</span> <span class='kw'>extern</span> <span class='string'>&quot;C&quot;</span> <span class='kw'>fn</span> (<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>)<span class='op'>&gt;</span>);
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>sk_pop</span>(<span class='ident'>st</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>_STACK</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_char</span>;

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>GENERAL_NAME_free</span>(<span class='ident'>name</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>GENERAL_NAME</span>);

    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSLeay</span>() <span class='op'>-&gt;</span> <span class='ident'>c_long</span>;
    <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>SSLeay_version</span>(<span class='ident'>key</span>: <span class='ident'>c_int</span>) <span class='op'>-&gt;</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_char</span>;
}

<span class='kw'>pub</span> <span class='kw'>mod</span> <span class='ident'>probe</span>;
</pre>
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