48 	struct sym_quehead *blink;	/* Backward pointer */  member
52 	(ptr)->flink = (ptr); (ptr)->blink = (ptr); \
62 	return (head->blink == head) ? 0 : head->blink;  in sym_que_last()
66 	struct sym_quehead * blink,  in __sym_que_add()  argument
69 	flink->blink	= new;  in __sym_que_add()
71 	new->blink	= blink;  in __sym_que_add()
72 	blink->flink	= new;  in __sym_que_add()
75 static inline void __sym_que_del(struct sym_quehead * blink,  in __sym_que_del()  argument
78 	flink->blink = blink;  in __sym_que_del()
79 	blink->flink = flink;  in __sym_que_del()
93 		struct sym_quehead *last = list->blink;  in sym_que_splice()
96 		first->blink = head;  in sym_que_splice()
100 		at->blink   = last;  in sym_que_splice()
111 		first->blink = dest;  in sym_que_move()
113 		last = orig->blink;  in sym_que_move()
115 		dest->blink  = last;  in sym_que_move()
117 		orig->blink  = orig;  in sym_que_move()
120 		dest->blink  = dest;  in sym_que_move()
128 #define sym_remque(el)			__sym_que_del((el)->blink, (el)->flink)
143 #define sym_insque_tail(new, head)	__sym_que_add(new, (head)->blink, head)
147 	struct sym_quehead *elem = head->blink;  in sym_remque_tail()
150 		__sym_que_del(elem->blink, head);  in sym_remque_tail()