ossl_quic_tserver_get_terminate_cause
ossl_quic_tserver_get_terminate_cause(const QUIC_TSERVER *srv);
cause = ossl_quic_tserver_get_terminate_cause(qtserv);
if (!TEST_ptr(tc = ossl_quic_tserver_get_terminate_cause(ACQUIRE_S())))
? ossl_quic_tserver_get_terminate_cause(h->s)
const QUIC_TERMINATE_CAUSE *tc = ossl_quic_tserver_get_terminate_cause(ACQUIRE_S());