on_len</i>. While, if non-NULL, OpenSSL guarantees that this string will be zero terminated, consider that this buffer may originate from the (untrusted) peer and thus may also contain zero bytes elsewhere. Therefore, use of <i>reason_len</i> is recommended.</p>

<p>While it is intended as per the QUIC protocol that this be a UTF-8 string, there is no guarantee that this is the case for strings received from the peer.</p>

</dd>
<dt id="SSL_CONN_CLOSE_FLAG_LOCAL"><b>SSL_CONN_CLOSE_FLAG_LOCAL</b></dt>
<dd>

