harvey/sys/src/cmd/cfs/lru.h

/*
 * This file is part of the UCB release of Plan 9. It is subject to the license
 * terms in the LICENSE file found in the top-level directory of this
 * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
 * part of the UCB release of Plan 9, including this file, may be copied,
 * modified, propagated, or distributed except according to the terms contained
 * in the LICENSE file.
 */

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*);