t_read_desired(3)</a> and <a href="../man3/SSL_net_write_desired.html">SSL_net_write_desired(3)</a> functions.</p>

<p>It is also important with QUIC that we periodically call an I/O function (or otherwise call the <a href="../man3/SSL_handle_events.html">SSL_handle_events(3)</a> function) to ensure that the QUIC connection remains healthy. This is particularly important with a nonblocking application because you are likely to leave the <b>SSL</b> object idle for a while while the application goes off to do