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<title>SSL_CTX_has_client_custom_ext</title>
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<li><a href="#NAME">NAME</a></li>
<li><a href="#SYNOPSIS">SYNOPSIS</a></li>
<li><a href="#DESCRIPTION">DESCRIPTION</a></li>
<li><a href="#RETURN-VALUES">RETURN VALUES</a></li>
<li><a href="#SEE-ALSO">SEE ALSO</a></li>
<li><a href="#COPYRIGHT">COPYRIGHT</a></li>
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<h1 id="NAME">NAME</h1>
<p>SSL_CTX_has_client_custom_ext - check whether a handler exists for a particular client extension type</p>
<h1 id="SYNOPSIS">SYNOPSIS</h1>
<pre><code> #include <openssl/ssl.h>
int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx, unsigned int ext_type);</code></pre>
<h1 id="DESCRIPTION">DESCRIPTION</h1>
<p>SSL_CTX_has_client_custom_ext() checks whether a handler has been set for a client extension of type <b>ext_type</b> using SSL_CTX_add_client_custom_ext().</p>
<h1 id="RETURN-VALUES">RETURN VALUES</h1>
<p>Returns 1 if a handler has been set, 0 otherwise.</p>
<h1 id="SEE-ALSO">SEE ALSO</h1>
<p><a href="../man7/ssl.html">ssl(7)</a>, <a href="../man3/SSL_CTX_add_client_custom_ext.html">SSL_CTX_add_client_custom_ext(3)</a></p>
<h1 id="COPYRIGHT">COPYRIGHT</h1>
<p>Copyright 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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