#ifndef _LINUX_CRC32C_H#define _LINUX_CRC32C_H #include <linux/types.h> extern u32 crc32c_le(u32 crc, unsigned char const *address, size_t length);extern u32 crc32c_be(u32 crc, unsigned char const *address, size_t length); #define crc32c(seed, data, length)  crc32c_le(seed, (unsigned char const *)data, length) #endif	/* _LINUX_CRC32C_H */