lookupa.h

来自「Adhoc无线网络路由协议源码」· C头文件 代码 · 共 24 行

/*
------------------------------------------------------------------------------
By Bob Jenkins, September 1996.
lookupa.h, a hash function for table lookup, same function as lookup.c.
Use this code in any way you wish.  Public Domain.  It has no warranty.
Source is http://burtleburtle.net/bob/c/lookupa.h
------------------------------------------------------------------------------
*/


#ifndef LOOKUPA_H
#define LOOKUPA_H

#include "standard.h"

#define CHECKSTATE 8
#define hashsize(n) ((ub4)1<<(n))
#define hashmask(n) (hashsize(n)-1)

ub4  lookup(/*_ ub1 *k, ub4 length, ub4 level _*/);
void checksum(/*_ ub1 *k, ub4 length, ub4 *state _*/);

#endif /* LOOKUPA */