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Lines Matching full:head

169 	if (q->head)
172 q->head = p;
198 if (q->head == NULL)
201 PKTSETLINK(p, q->head);
202 q->head = p;
223 if ((p = q->head) == NULL)
226 if ((q->head = PKTLINK(p)) == NULL)
248 if ((p = q->head) == NULL)
257 q->head = NULL;
274 p = q->head;
276 q->head = PKTLINK(p);
281 p = q->head;
300 if (q->head == pktbuf) {
301 if ((q->head = PKTLINK(pktbuf)) == NULL)
304 for (p = q->head; p && PKTLINK(p) != pktbuf; p = PKTLINK(p))
348 while ((prec = pq->hi_prec) > 0 && pq->q[prec].head == NULL)
353 if ((p = q->head) == NULL)
356 if ((q->head = PKTLINK(p)) == NULL)
382 if (pq->q[prec].head)
387 if ((p = q->head) == NULL)
396 q->head = NULL;
419 while ((prec = pq->hi_prec) > 0 && pq->q[prec].head == NULL)
425 return (pq->q[prec].head);
437 if (pq->q[prec].head)
481 while ((prec = pq->hi_prec) > 0 && pq->q[prec].head == NULL)
484 while ((prec_bmp & (1 << prec)) == 0 || pq->q[prec].head == NULL)
490 if ((p = q->head) == NULL)
493 if ((q->head = PKTLINK(p)) == NULL)