#include #include #include #include int main() { struct hostent *foo; foo=gethostbyname("zeit.fu-berlin.de"); if (foo) { int i; printf("%s -> %s\n",foo->h_name,inet_ntoa(*(struct in_addr*)foo->h_addr)); for (i=0; foo->h_aliases[i]; ++i) { printf(" also known as %s\n",foo->h_aliases[i]); } } else return 1; /* printf("%g %g\n",1e-10,1e10); */ return 0; }