17 if (!argv[1]) _exit(100);
19 if (!stralloc_copys(&sa,argv[1]))
20 { substdio_putsflush(subfderr,"out of memory\n"); _exit(111); }
23 dnsdoe(dns_ip(&ia,&sa));
26 substdio_putsflush(subfderr,"no IP addresses\n"); _exit(100);
28 dnsdoe(dns_ptr(&sa,&ia.ix[0].ip));
29 substdio_putflush(subfdout,sa.s,sa.len);
30 substdio_putsflush(subfdout,"\n");