return errors != NULL;
return errors != 0;
main (void){  int errors = 0;  int errval;  /* Test the unspecifed IPv6 address.  */  errval = 0x3453456;  if (getipnodebyaddr ((char *) &anyv6, sizeof (anyv6), AF_INET6, &errval)      != NULL      || errval != HOST_NOT_FOUND)    {      puts ("getipnodenyaddr(in6addr_any,...) != NULL");      ++errors;    }  return errors != NULL;}