NLA_DATA_CONST
memcpy(target, NLA_DATA_CONST(nla), NLA_DATA_LEN(nla));
memcpy(target, NLA_DATA_CONST(nla), sizeof(in_addr_t));
memcpy(target, NLA_DATA_CONST(nla), sizeof(struct in6_addr));
ifindex = *((const u_int *)NLA_DATA_CONST(nla));
memcpy(target, NLA_DATA_CONST(nla), (size_t)arg);
*((bool *)target) = *((const bool *)NLA_DATA_CONST(nla));
*((uint8_t *)target) = *((const uint8_t *)NLA_DATA_CONST(nla));
*((uint16_t *)target) = *((const uint16_t *)NLA_DATA_CONST(nla));
*((uint32_t *)target) = *((const uint32_t *)NLA_DATA_CONST(nla));
memcpy(target, NLA_DATA_CONST(nla), sizeof(uint64_t));
memcpy(target, NLA_DATA_CONST(nla), sizeof(time_t));
memcpy(target, NLA_DATA_CONST(nla), sizeof(struct in_addr));
memcpy(target, NLA_DATA_CONST(nla), sizeof(struct in6_addr));