#include "substdio.h"#include "subfd.h"#include "stralloc.h"#include "dns.h"#include "dnsdoe.h"#include "ip.h"#include "ipalloc.h"#include "exit.h"char temp[IPFMT];stralloc sa = {0};ipalloc ia = {0};void main(argc,argv)int argc;char **argv;{ int j; if (!argv[1]) _exit(100); if (!stralloc_copys(&sa,argv[1]))  { substdio_putsflush(subfderr,"out of memory\n"); _exit(111); } dns_init(0); dnsdoe(dns_ip(&ia,&sa)); for (j = 0;j < ia.len;++j)  {   substdio_put(subfdout,temp,ip_fmt(temp,&ia.ix[j].ip));   substdio_putsflush(subfdout,"\n");  } _exit(0);}