35 	struct sym_quehead *blink;	/* Backward pointer */  member
39 	(ptr)->flink = (ptr); (ptr)->blink = (ptr); \
49 	return (head->blink == head) ? 0 : head->blink;  in sym_que_last()
53 	struct sym_quehead * blink,  in __sym_que_add()  argument
56 	flink->blink	= new;  in __sym_que_add()
58 	new->blink	= blink;  in __sym_que_add()
59 	blink->flink	= new;  in __sym_que_add()
62 static inline void __sym_que_del(struct sym_quehead * blink,  in __sym_que_del()  argument
65 	flink->blink = blink;  in __sym_que_del()
66 	blink->flink = flink;  in __sym_que_del()
80 		struct sym_quehead *last = list->blink;  in sym_que_splice()
83 		first->blink = head;  in sym_que_splice()
87 		at->blink   = last;  in sym_que_splice()
98 		first->blink = dest;  in sym_que_move()
100 		last = orig->blink;  in sym_que_move()
102 		dest->blink  = last;  in sym_que_move()
104 		orig->blink  = orig;  in sym_que_move()
107 		dest->blink  = dest;  in sym_que_move()
115 #define sym_remque(el)			__sym_que_del((el)->blink, (el)->flink)
130 #define sym_insque_tail(new, head)	__sym_que_add(new, (head)->blink, head)
134 	struct sym_quehead *elem = head->blink;  in sym_remque_tail()
137 		__sym_que_del(elem->blink, head);  in sym_remque_tail()