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<title>SSL_free</title>
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<ul id="index">
<li><a href="#NAME">NAME</a></li>
<li><a href="#SYNOPSIS">SYNOPSIS</a></li>
<li><a href="#DESCRIPTION">DESCRIPTION</a></li>
<li><a href="#NOTES">NOTES</a></li>
<li><a href="#RETURN-VALUES">RETURN VALUES</a></li>
<li><a href="#COPYRIGHT">COPYRIGHT</a></li>
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<h1 id="NAME">NAME</h1>
<p>SSL_free - free an allocated SSL structure</p>
<h1 id="SYNOPSIS">SYNOPSIS</h1>
<pre><code> #include <openssl/ssl.h>
void SSL_free(SSL *ssl);</code></pre>
<h1 id="DESCRIPTION">DESCRIPTION</h1>
<p>SSL_free() decrements the reference count of <b>ssl</b>, and removes the SSL structure pointed to by <b>ssl</b> and frees up the allocated memory if the reference count has reached 0. If <b>ssl</b> is NULL nothing is done.</p>
<h1 id="NOTES">NOTES</h1>
<p>SSL_free() also calls the free()ing procedures for indirectly affected items, if applicable: the buffering BIO, the read and write BIOs, cipher lists specially created for this <b>ssl</b>, the <b>SSL_SESSION</b>. Do not explicitly free these indirectly freed up items before or after calling SSL_free(), as trying to free things twice may lead to program failure.</p>
<p>The ssl session has reference counts from two users: the SSL object, for which the reference count is removed by SSL_free() and the internal session cache. If the session is considered bad, because <a href="../man3/SSL_shutdown.html">SSL_shutdown(3)</a> was not called for the connection and <a href="../man3/SSL_set_shutdown.html">SSL_set_shutdown(3)</a> was not used to set the SSL_SENT_SHUTDOWN state, the session will also be removed from the session cache as required by RFC2246.</p>
<h1 id="RETURN-VALUES">RETURN VALUES</h1>
<p>SSL_free() does not provide diagnostic information.</p>
<p><a href="../man3/SSL_new.html">SSL_new(3)</a>, <a href="../man3/SSL_clear.html">SSL_clear(3)</a>, <a href="../man3/SSL_shutdown.html">SSL_shutdown(3)</a>, <a href="../man3/SSL_set_shutdown.html">SSL_set_shutdown(3)</a>, <a href="../man7/ssl.html">ssl(7)</a></p>
<h1 id="COPYRIGHT">COPYRIGHT</h1>
<p>Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.</p>
<p>Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p>
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