157     statp->_u._ext.nscount = 0;  in res_vinit()
158     statp->_u._ext.ext = (res_state_ext*) malloc(sizeof(*statp->_u._ext.ext));  in res_vinit()
160     if (statp->_u._ext.ext != NULL) {  in res_vinit()
161         memset(statp->_u._ext.ext, 0, sizeof(*statp->_u._ext.ext));  in res_vinit()
162         statp->_u._ext.ext->nsaddrs[0].sin = statp->nsaddr;  in res_vinit()
163         strcpy(statp->_u._ext.ext->nsuffix, "ip6.arpa");  in res_vinit()
164         strcpy(statp->_u._ext.ext->nsuffix2, "ip6.int");  in res_vinit()
205     res_state_ext* ext = statp->_u._ext.ext;  in res_setoptions()
287     for (ns = 0; ns < statp->_u._ext.nscount; ns++) {  in res_nclose()
288         if (statp->_u._ext.nssocks[ns] != -1) {  in res_nclose()
289             (void) close(statp->_u._ext.nssocks[ns]);  in res_nclose()
290             statp->_u._ext.nssocks[ns] = -1;  in res_nclose()
297     if (statp->_u._ext.ext != NULL) free(statp->_u._ext.ext);  in res_ndestroy()
299     statp->_u._ext.ext = NULL;  in res_ndestroy()
310     statp->_u._ext.nscount = 0;  in res_setservers()
317                 if (statp->_u._ext.ext)  in res_setservers()
318                     memcpy(&statp->_u._ext.ext->nsaddrs[nserv], &set->sin, size);  in res_setservers()
329                 if (statp->_u._ext.ext)  in res_setservers()
330                     memcpy(&statp->_u._ext.ext->nsaddrs[nserv], &set->sin6, size);  in res_setservers()
353         if (statp->_u._ext.ext)  in res_getservers()
354             family = statp->_u._ext.ext->nsaddrs[i].sin.sin_family;  in res_getservers()
361                 if (statp->_u._ext.ext)  in res_getservers()
362                     memcpy(&set->sin, &statp->_u._ext.ext->nsaddrs[i], size);  in res_getservers()
370                 if (statp->_u._ext.ext)  in res_getservers()
371                     memcpy(&set->sin6, &statp->_u._ext.ext->nsaddrs[i], size);  in res_getservers()