pectively. Starting with OpenSSL 3.0.0, the function code is always set to zero.</p>

<h1 id="NOTES">NOTES</h1>

<p>Applications should not make control flow decisions based on specific error codes. Error codes are subject to change at any time (even in patch releases of OpenSSL). A particular error code can only be considered meaningful for control flow decisions if it is explicitly documented as such. New failure codes may still appear at any time.</p>

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

<p><a href="../man3