Lines Matching defs:head
245 if (q->head)
248 q->head = p;
274 if (q->head == NULL)
277 PKTSETLINK(p, q->head);
278 q->head = p;
299 if ((p = q->head) == NULL)
302 if ((q->head = PKTLINK(p)) == NULL)
349 p = q->head;
363 if ((q->head = PKTLINK(p)) == NULL)
388 if ((p = q->head) == NULL)
397 q->head = NULL;
414 p = q->head;
417 bool head = (p == q->head);
418 if (head)
419 q->head = PKTLINK(p);
426 p = (head ? q->head : PKTLINK(prev));
433 if (q->head == NULL) {
452 if (q->head == pktbuf) {
453 if ((q->head = PKTLINK(pktbuf)) == NULL)
456 for (p = q->head; p && PKTLINK(p) != pktbuf; p = PKTLINK(p))
509 while ((prec = pq->hi_prec) > 0 && pq->q[prec].head == NULL)
514 if ((p = q->head) == NULL)
517 if ((q->head = PKTLINK(p)) == NULL)
543 if (pq->q[prec].head)
548 if ((p = q->head) == NULL)
557 q->head = NULL;
580 while ((prec = pq->hi_prec) > 0 && pq->q[prec].head == NULL)
586 return (pq->q[prec].head);
598 if (pq->q[prec].head)
652 while ((prec = pq->hi_prec) > 0 && pq->q[prec].head == NULL)
655 while ((prec_bmp & (1 << prec)) == 0 || pq->q[prec].head == NULL)
661 if ((p = q->head) == NULL)
680 while ((prec = pq->hi_prec) > 0 && pq->q[prec].head == NULL)
683 while ((pq->q[prec].head == NULL) || ((prec_bmp & (1 << prec)) == 0))
689 if ((p = q->head) == NULL)
692 if ((q->head = PKTLINK(p)) == NULL)
