int ch;
char domainname[MAXHOSTNAMELEN];
while ((ch = getopt(argc, argv, "")) != -1)
while ((ch = getopt(argc, argv, "c")) != -1)
switch (ch) {
case 'c':
if (setdomainname("", 1))
err(1, "setdomainname");
exit(0);
break;
default:
usage();
}
void
usage()
{
(void)fprintf(stderr, "usage: domainname [ypdomain]\n");
(void)fprintf(stderr, "usage: domainname [-c] [ypdomain]\n");
exit(1);