tls12_record_layer_read_epoch
tls12_record_layer_read_epoch(s->internal->rl) + 1;
read_epoch = tls12_record_layer_read_epoch(s->internal->rl);
tls12_record_layer_read_epoch(s->internal->rl))
tls12_record_layer_read_epoch(s->internal->rl) + 1;
if (rr->epoch != tls12_record_layer_read_epoch(s->internal->rl)) {
uint16_t tls12_record_layer_read_epoch(struct tls12_record_layer *rl);