<p>All other functions described here return 0 or <b>NULL</b> when the information they should return isn&#39;t available.</p>

<h1 id="SEE-ALSO">SEE ALSO</h1>

<p><a href="../man3/BIO_connect.html">BIO_connect(3)</a>, <a href="../man3/BIO_s_connect.html">BIO_s_connect(3)</a></p>

<h1 id="HISTORY">HISTORY</h1>

<p>BIO_ADDR_copy() and BIO_ADDR_dup() were added in OpenSSL 3.2.</p>

<h1 id="COPYRIGHT">COPYRIGHT</h1>

<p>Copyright 2016-2023 The OpenSSL Project Authors. All Rights Reserved.</p>

<p>Licensed unde