#include <inet/arpa/inet.h> extern int __inet_aton (__const char *__cp, struct in_addr *__inp); libc_hidden_proto (__inet_aton) libc_hidden_proto (inet_aton) libc_hidden_proto (inet_ntop) libc_hidden_proto (inet_pton) libc_hidden_proto (inet_makeaddr) libc_hidden_proto (inet_netof)