Lines Matching defs:head
84 dataQueue->head = 0;
121 if (dataQueue && (dataQueue->head != dataQueue->tail)) {
122 IODataQueueEntry * head = 0;
124 UInt32 headOffset = dataQueue->head;
127 head = (IODataQueueEntry *)((char *)dataQueue->queue + headOffset);
128 headSize = head->size;
140 entry = head;
155 if (dataQueue->head != dataQueue->tail) {
156 IODataQueueEntry * head = 0;
158 UInt32 headOffset = dataQueue->head;
161 head = (IODataQueueEntry *)((char *)dataQueue->queue + headOffset);
162 headSize = head->size;
174 entry = head;
185 dataQueue->head = newHeadOffset;
193 dataQueue->head = newHeadOffset;