Lines Matching defs:tail
1304 struct rx_elem *tail, *head;
1309 tail = pktq_out_elem (&active_dev->queue);
1313 if (head != tail)
1315 PCAP_ASSERT (tail->size < active_dev->queue.elem_size-4-2);
1317 *buf = &tail->data[0];
1318 return (tail->size);
1330 struct rx_elem *tail = pktq_out_elem (&active_dev->queue);
1332 PCAP_ASSERT (&tail->data[0] == buf);
1437 * Increment the queue 'out_index' (tail).
1470 * Return the queue's tail-buffer.
1478 * Clear the queue ring-buffer by setting head=tail.
