#define cpack_int32(__s, __p) cpack_uint32((__s), (u_int32_t*)(__p))
#define cpack_int64(__s, __p) cpack_uint64((__s), (u_int64_t*)(__p))
#define cpack_int32(__s, __p) cpack_uint32((__s), (u_int32_t*)(__p))
#define cpack_int64(__s, __p) cpack_uint64((__s), (u_int64_t*)(__p))