ossl_quic_channel_is_closing
int ossl_quic_channel_is_closing(const QUIC_CHANNEL *ch);
const int closing = ossl_quic_channel_is_closing(ch);
if (ossl_quic_channel_is_closing(ch)) {
return ossl_quic_channel_is_closing(ch)
if (!ossl_quic_channel_is_closing(ctx.qc->ch))