ossl_quic_tx_packetiser_schedule_conn_close
int ossl_quic_tx_packetiser_schedule_conn_close(OSSL_QUIC_TX_PACKETISER *txp,
ossl_quic_tx_packetiser_schedule_conn_close(ch->txp, &f);
if (!TEST_true(ossl_quic_tx_packetiser_schedule_conn_close(h->txp, &f)))