#ifndef CRC32_H#define CRC32_H/* $Id: crc32.h,v 1.3 2001/02/26 14:44:37 dwmw2 Exp $ */#include <linux/types.h>extern const __u32 crc32_table[256];/* Return a 32-bit CRC of the contents of the buffer. */static inline __u32 crc32(__u32 val, const void *ss, int len){	const unsigned char *s = ss;        while (--len >= 0)                val = crc32_table[(val ^ *s++) & 0xff] ^ (val >> 8);        return val;}#endif