BIO_TYPE_DGRAM
BIO_TYPE_DGRAM,
int desired_type = IS_QUIC(s) ? BIO_TYPE_DGRAM : BIO_TYPE_SOCKET;
int desired_type = IS_QUIC(s) ? BIO_TYPE_DGRAM : BIO_TYPE_SOCKET;
if (!TEST_int_eq(BIO_method_type(bio), BIO_TYPE_DGRAM))