rn_temp          1685 core/ngx_resolver.c     ngx_resolver_node_t   *rn, *rn_temp;
rn_temp          1700 core/ngx_resolver.c             rn_temp = (ngx_resolver_node_t *) temp;
rn_temp          1702 core/ngx_resolver.c             p = (ngx_memn2cmp(rn->name, rn_temp->name, rn->nlen, rn_temp->nlen)