#ifndef CRC32_H#define CRC32_H/* $Id: crc32.h,v 1.4 2002/01/03 15:20:44 dwmw2 Exp $ */#include <linux/types.h>extern const uint32_t crc32_table[256];/* Return a 32-bit CRC of the contents of the buffer. */static inline uint32_t crc32(uint32_t 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