128 res_nquery(res_state statp,  in res_nquery()  argument
139 	oflags = statp->_flags;  in res_nquery()
145 	if (statp->options & RES_DEBUG)  in res_nquery()
149 	n = res_nmkquery(statp, QUERY, name, class, type, NULL, 0, NULL,  in res_nquery()
152 	if (n > 0 && (statp->_flags & RES_F_EDNS0ERR) == 0 &&  in res_nquery()
153 	    (statp->options & (RES_USE_EDNS0|RES_USE_DNSSEC)) != 0U)  in res_nquery()
154 		n = res_nopt(statp, n, buf, sizeof(buf), anslen);  in res_nquery()
158 		if (statp->options & RES_DEBUG)  in res_nquery()
161 		RES_SET_H_ERRNO(statp, NO_RECOVERY);  in res_nquery()
164 	n = res_nsend(statp, buf, n, answer, anslen);  in res_nquery()
168 		if ((statp->options & (RES_USE_EDNS0|RES_USE_DNSSEC)) != 0U &&  in res_nquery()
169 		    ((oflags ^ statp->_flags) & RES_F_EDNS0ERR) != 0) {  in res_nquery()
170 			statp->_flags |= RES_F_EDNS0ERR;  in res_nquery()
171 			if (statp->options & RES_DEBUG)  in res_nquery()
177 		if (statp->options & RES_DEBUG)  in res_nquery()
180 		RES_SET_H_ERRNO(statp, TRY_AGAIN);  in res_nquery()
186 		if (statp->options & RES_DEBUG)  in res_nquery()
195 			RES_SET_H_ERRNO(statp, HOST_NOT_FOUND);  in res_nquery()
198 			RES_SET_H_ERRNO(statp, TRY_AGAIN);  in res_nquery()
201 			RES_SET_H_ERRNO(statp, NO_DATA);  in res_nquery()
207 			RES_SET_H_ERRNO(statp, NO_RECOVERY);  in res_nquery()
222 res_nsearch(res_state statp,  in res_nsearch()  argument
238 	RES_SET_H_ERRNO(statp, HOST_NOT_FOUND);  /* True if we never query. */  in res_nsearch()
248 	if (!dots && (cp = res_hostalias(statp, name, tmp, sizeof tmp))!= NULL)  in res_nsearch()
249 		return (res_nquery(statp, cp, class, type, answer, anslen));  in res_nsearch()
257 	if (dots >= statp->ndots || trailing_dot) {  in res_nsearch()
258 		ret = res_nquerydomain(statp, name, NULL, class, type,  in res_nsearch()
262 		saved_herrno = statp->res_h_errno;  in res_nsearch()
272 	if ((!dots && (statp->options & RES_DEFNAMES) != 0U) ||  in res_nsearch()
273 	    (dots && !trailing_dot && (statp->options & RES_DNSRCH) != 0U)) {  in res_nsearch()
283 		_resolv_populate_res_for_net(statp);  in res_nsearch()
285 		for (domain = (const char * const *)statp->dnsrch;  in res_nsearch()
294 			ret = res_nquerydomain(statp, name, *domain,  in res_nsearch()
314 				RES_SET_H_ERRNO(statp, TRY_AGAIN);  in res_nsearch()
318 			switch (statp->res_h_errno) {  in res_nsearch()
340 			if ((statp->options & RES_DNSRCH) == 0U)  in res_nsearch()
349 	if ((dots || !searched || (statp->options & RES_NOTLDQUERY) == 0U) &&  in res_nsearch()
351 		ret = res_nquerydomain(statp, name, NULL, class, type,  in res_nsearch()
365 		RES_SET_H_ERRNO(statp, saved_herrno);  in res_nsearch()
367 		RES_SET_H_ERRNO(statp, NO_DATA);  in res_nsearch()
369 		RES_SET_H_ERRNO(statp, TRY_AGAIN);  in res_nsearch()
378 res_nquerydomain(res_state statp,  in res_nquerydomain()  argument
390 	if (statp->options & RES_DEBUG)  in res_nquerydomain()
401 			RES_SET_H_ERRNO(statp, NO_RECOVERY);  in res_nquerydomain()
414 			RES_SET_H_ERRNO(statp, NO_RECOVERY);  in res_nquerydomain()
419 	return (res_nquery(statp, longname, class, type, answer, anslen));  in res_nquerydomain()
423 res_hostalias(const res_state statp, const char *name, char *dst, size_t siz) {  in res_hostalias()  argument