ref: 7420dc6adab03f28020243d71a3372cda15cacbc
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*);