5 #define CONNECT_SIGNATURE int __fd, const struct sockaddr * __addr, socklen_t __len
6 #define BIND_SIGNATURE int __fd, const struct sockaddr *__addr, socklen_t __len
8 #define SENDTO_SIGNATURE int __fd, const void *__buf, size_t __len, int __flags, const struct sockaddr *__dest_addr, socklen_t __addrlen
9 #define RECVFROM_SIGNATURE int __fd, void *__buf, size_t __len, int __flags, struct sockaddr *__src_addr, socklen_t *__addrlen