ref: e9c5f976351ff975e51a2cac82e3e1e1e3faa3f2
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*);