66   pitem *items;  member
109   assert(pq->items == NULL);  in pqueue_free()
113 pitem *pqueue_peek(pqueue_s *pq) { return pq->items; }  in pqueue_peek()
118   for (curr = pq->items; curr; curr = curr->next) {  in pqueue_find()
128   pitem *item = pq->items;  in pqueue_size()
138 piterator pqueue_iterator(pqueue_s *pq) { return pq->items; }  in pqueue_iterator()
156   if (pq->items == NULL) {  in pqueue_insert()
157     pq->items = item;  in pqueue_insert()
161   for (curr = NULL, next = pq->items; next != NULL;  in pqueue_insert()
170         pq->items = item;  in pqueue_insert()
190   pitem *item = pq->items;  in pqueue_pop()
192   if (pq->items != NULL) {  in pqueue_pop()
193     pq->items = pq->items->next;  in pqueue_pop()