388 	queue_entry_t   n_elt, p_elt;  in re_queue_head()  local
395 …p_elt = elt->prev; /* next_elt may equal prev_elt (and the queue head) if elt was the only element…  in re_queue_head()
396 	n_elt->prev = p_elt;  in re_queue_head()
397 	p_elt->next = n_elt;  in re_queue_head()
421 	queue_entry_t   n_elt, p_elt;  in re_queue_tail()  local
428 …p_elt = elt->prev; /* next_elt may equal prev_elt (and the queue head) if elt was the only element…  in re_queue_tail()
429 	n_elt->prev = p_elt;  in re_queue_tail()
430 	p_elt->next = n_elt;  in re_queue_tail()
433 	p_elt = que->prev;  in re_queue_tail()
435 	elt->prev = p_elt;  in re_queue_tail()
436 	p_elt->next = elt;  in re_queue_tail()