RES_USE_EDNS0
#ifdef RES_USE_EDNS0 /*%< KAME extension */
case RES_USE_EDNS0: return "edns0";
#ifdef RES_USE_EDNS0
statp->options |= RES_USE_EDNS0;
#ifdef RES_USE_EDNS0
#ifdef RES_USE_EDNS0
(statp->options & (RES_USE_EDNS0|RES_USE_DNSSEC|RES_NSID))) {
#ifdef RES_USE_EDNS0
if ((statp->options & (RES_USE_EDNS0|RES_USE_DNSSEC)) != 0U &&
#ifdef RES_USE_EDNS0
if (anhp->rcode == FORMERR && (statp->options & RES_USE_EDNS0) != 0U) {