SYSCALL</dt>
<dd>

<p>Some non-recoverable, fatal I/O error occurred. The OpenSSL error queue may contain more information on the error. For socket I/O on Unix systems, consult <b>errno</b> for details. If this error occurs then no further I/O operations should be performed on the connection and SSL_shutdown() must not be called.</p>

<p>This value can also be returned for other errors, check the error queue for details.</p>

</dd>
<dt id="SSL_ERROR_SSL">SSL_ERROR_SSL</dt>
<dd>

<p>A non-recoverable, fatal 