79 extern struct __res_state _nres;
85 #define res_need_init()   ((_nres.options & RES_INIT) == 0U)
103 		_nres.options = ores->options;  in res_init()
105 		_nres.retrans = ores->retrans;  in res_init()
107 		_nres.retry = ores->retry;  in res_init()
129 	if (!_nres.retrans)  in res_init()
130 		_nres.retrans = RES_TIMEOUT;  in res_init()
131 	if (!_nres.retry)  in res_init()
132 		_nres.retry = 4;  in res_init()
133 	if (!(_nres.options & RES_INIT))  in res_init()
134 		_nres.options = RES_DEFAULT;  in res_init()
140 	if (!_nres.id)  in res_init()
141 		_nres.id = res_randomid();  in res_init()
143 	rv = __res_vinit(&_nres, 1);  in res_init()
145 	__res_put_old_state(&_nres);  in res_init()
165 	res_pquery(&_nres, msg, len, file);  in fp_nquery()
179 		RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);  in res_mkquery()
182 	return (res_nmkquery(&_nres, op, dname, class, type,  in res_mkquery()
191 		RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);  in res_mkupdate()
195 	return (res_nmkupdate(&_nres, rrecp_in, buf, buflen));  in res_mkupdate()
206 		RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);  in res_query()
209 	return (res_nquery(&_nres, name, class, type, answer, anslen));  in res_query()
214 	_nres.qhook = hook;  in res_send_setqhook()
219 	_nres.rhook = hook;  in res_send_setrhook()
224 	return (res_ourserver_p(&_nres, (const struct sockaddr *)(const void *)inp));  in res_isourserver()
234 	return (res_nsend(&_nres, buf, buflen, ans, anssiz));  in res_send()
247 	return (res_nsendsigned(&_nres, buf, buflen, key, ans, anssiz));  in res_sendsigned()
253 	res_nclose(&_nres);  in res_close()
260 		RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);  in res_update()
264 	return (res_nupdate(&_nres, rrecp_in, NULL));  in res_update()
275 		RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);  in res_search()
279 	return (res_nsearch(&_nres, name, class, type, answer, anslen));  in res_search()
290 		RES_SET_H_ERRNO(&_nres, NETDB_INTERNAL);  in res_querydomain()
294 	return (res_nquerydomain(&_nres, name, domain,  in res_querydomain()
302 	return res_nopt(&_nres, a, b, c, d);  in res_opt()
315 	if (!*_nres.defdname)  in local_hostname_length()
318 	len_domain = strlen(_nres.defdname);  in local_hostname_length()
320 	    !strcasecmp(hostname + len_host - len_domain, _nres.defdname) &&  in local_hostname_length()