66 	pitem *items;  member
117 	if (pq->items == NULL)  in pqueue_insert()
119 		pq->items = item;  in pqueue_insert()
123 	for(curr = NULL, next = pq->items;   in pqueue_insert()
132 				pq->items = item;  in pqueue_insert()
152 	return pq->items;  in pqueue_peek()
158 	pitem *item = pq->items;  in pqueue_pop()
160 	if (pq->items != NULL)  in pqueue_pop()
161 		pq->items = pq->items->next;  in pqueue_pop()
172 	if ( pq->items == NULL)  in pqueue_find()
175 	for ( next = pq->items; next->next != NULL;   in pqueue_find()
194 		pq->items = next->next;  in pqueue_find()
206 	pitem *item = pq->items;  in pqueue_print()