Lines Matching refs:_res
188 if ((_res.options & RES_INIT) == 0) {
189 if (res_ninit(&_res) != 0)
194 unsigned long saved_options = _res.options;
199 // When there's no network connection, _res may not be initialized by
202 if (_res.nscount > 0)
203 res_nclose(&_res);
204 if (res_ninit(&_res) == 0)
208 _res.options = saved_options;
242 _res.options = RES_INIT | RES_RECURSE | RES_USE_EDNS0 | RES_USE_DNSSEC;
584 if (_res.nscount == 1 &&
585 memcmp(&_res.nsaddr_list[0].sin_addr,
