tls13_record_layer_set_legacy_version
tls13_record_layer_set_legacy_version(ctx->rl, TLS1_VERSION);
tls13_record_layer_set_legacy_version(ctx->rl, TLS1_2_VERSION);
void tls13_record_layer_set_legacy_version(struct tls13_record_layer *rl,
tls13_record_layer_set_legacy_version(ctx->rl, TLS1_2_VERSION);
tls13_record_layer_set_legacy_version(ctx->rl, TLS1_VERSION);