ref: 83b18ee8af12befcfdce7de60749985f2a63409c
dir: /sys/src/cmd/cfs/lru.h/
typedef struct Lruhead Lruhead; typedef struct Lru Lru; struct Lru { Lru *lprev; Lru *lnext; }; void lruinit(Lru*); void lruadd(Lru*, Lru*); void lruref(Lru*, Lru*); void lruderef(Lru*, Lru*);