/* -jk Exploring gethostbyname with the intent of wrappign it in an object */ /* Old School C headers for Socket stuff */ #include /* stderr, stdout */ #include /* hostent struct, gethostbyname() */ #include /* inet_ntoa() to format IP address */ #include /* in_addr structure */ /* C++ headers */ #include #include #include #include #include using namespace std; int main(int argc, char **argv) { struct hostent *host; /* host information */ struct in_addr h_addr; /* internet address */ int i=0; if (argc != 2) { fprintf(stderr, "USAGE: %s \n", argv[0]); exit(1); } if ((host = gethostbyname(argv[1])) == NULL) { fprintf(stderr, "(mini) nslookup failed on '%s'\n", argv[1]); exit(1); } fprintf(stdout, " Hostname %s\n", host->h_name); for (i=0; host->h_aliases[i] != '\0'; i++ ) { fprintf(stdout, " Aliases %s\n", host->h_aliases[i]); } // for (i=0; host->h_addr_list[i] != '\0'; i++ ) { h_addr.s_addr = *((unsigned long *) host->h_addr_list[i]); fprintf(stdout, "Addresses %s\n", inet_ntoa(h_addr)); // } exit(0); }