15 if (!argv
[1]) _exit(100);
17 if (!stralloc_copys(&sa
,argv
[1]))
18 { substdio_putsflush(subfderr
,"out of memory\n"); _exit(111); }
21 dnsdoe(dns_cname(&sa
));
22 substdio_putflush(subfdout
,sa
.s
,sa
.len
);
23 substdio_putsflush(subfdout
,"\n");