ref: a9cf534d41ce20d379e96a8b0cfa6d2bcc4055c5
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*);