69 #define	list_insert(head, ele)\  argument
71 		(ele)->flink = (head)->flink;\
72 		(head)->flink = (ele);\
73 		(ele)->blink = (ele)->flink->blink;\
74 		(ele)->flink->blink = (ele);\
79 #define	list_remove(ele)\  argument
81 		(ele)->flink->blink = (ele)->blink;\
82 		(ele)->blink->flink = (ele)->flink;\
86 #define	list_move(head, ele) \  argument
88 		if ((head)->flink != (ele)) {\
89 			list_remove(ele);\
90 			list_insert(head, ele);\