ossl_quic_channel_get_diag_num_rx_ack
uint16_t ossl_quic_channel_get_diag_num_rx_ack(QUIC_CHANNEL *ch);
h->scratch0 = ossl_quic_channel_get_diag_num_rx_ack(ch);
count = ossl_quic_channel_get_diag_num_rx_ack(ch);