perror_msg_and_die("socket");
if ((hostinfo = gethostbyname(*argv)) == NULL)
- error_msg_and_die("cannot resolve %s\n", *argv);
+ error_msg_and_die("cannot resolve %s", *argv);
address.sin_family = AF_INET;
address.sin_addr = *(struct in_addr *) *hostinfo->h_addr_list;