65 #define	list_insert(head, ele)\  argument
67 		(ele)->flink = (head)->flink;\
68 		(head)->flink = (ele);\
69 		(ele)->blink = (ele)->flink->blink;\
70 		(ele)->flink->blink = (ele);\
75 #define	list_remove(ele)\  argument
77 		(ele)->flink->blink = (ele)->blink;\
78 		(ele)->blink->flink = (ele)->flink;\
82 #define	list_move(head, ele) \  argument
84 		if ((head)->flink != (ele)) {\
85 			list_remove(ele);\
86 			list_insert(head, ele);\