tls13_record_layer_inc_seq_num
if (!tls13_record_layer_inc_seq_num(rl->read->seq_num))
if (!tls13_record_layer_inc_seq_num(rl->write->seq_num))
if ((ret = tls13_record_layer_inc_seq_num(seq_num)) != snt->want) {
int tls13_record_layer_inc_seq_num(uint8_t *seq_num);