RES_DNSRCH
(RES_RECURSE | RES_DEFNAMES | RES_DNSRCH | RES_NO_NIBBLE2)
(dots && !trailing_dot && (res->options & RES_DNSRCH))) {
if (!(res->options & RES_DNSRCH))
case RES_DNSRCH: return "dnsrch";
(dots && !trailing_dot && (statp->options & RES_DNSRCH) != 0U)) {
if ((statp->options & RES_DNSRCH) == 0U)