OPENSSL_load_u16_le
in = OPENSSL_load_u16_le(&a3, in);
*buf = (uint8_t *)OPENSSL_load_u16_le(&keysize, *buf);
*buf = (uint8_t *)OPENSSL_load_u16_le(&keysize, *buf);
*buf = (uint8_t *)OPENSSL_load_u16_le(&keysize, *buf);
*buf = (uint8_t *)OPENSSL_load_u16_le(&keysize, *buf);
restin = OPENSSL_load_u16_le(&u16, in);