ngx_queue_insert_tail   21 src/event/ngx_event_posted.h         ngx_queue_insert_tail(q, &(ev)->queue);                               \
ngx_queue_insert_tail  886 src/http/ngx_http.c     ngx_queue_insert_tail(*locations, &lq->queue);
ngx_queue_insert_tail 1157 src/http/ngx_http_spdy_filter_module.c         ngx_queue_insert_tail(&sc->posted, &stream->queue);