Lines Matching defs:i_head
304 unsigned int i_head;
308 i_head = to.head;
316 to.head = i_head;
1435 unsigned int i_head, o_head;
1473 i_head = ipipe->head;
1476 if (pipe_empty(i_head, i_tail) && !ipipe->writers)
1483 if (pipe_empty(i_head, i_tail) ||
1572 unsigned int i_head, o_head;
1597 i_head = ipipe->head;
1604 if (pipe_empty(i_head, i_tail) ||