char *inet_ntoa (struct in_addr);
int inet_pton (int, const char *__restrict, void *__restrict);
const char *inet_ntop (int, const void *__restrict, char *__restrict, socklen_t);
char *inet_ntoa (struct in_addr);
int inet_pton (int, const char *__restrict, void *__restrict);
const char *inet_ntop (int, const void *__restrict, char *__restrict, socklen_t);