linux/include/linux/crc-ccitt.h
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   1#ifndef _LINUX_CRC_CCITT_H
   2#define _LINUX_CRC_CCITT_H
   3
   4#include <linux/types.h>
   5
   6extern u16 const crc_ccitt_table[256];
   7
   8extern u16 crc_ccitt(u16 crc, const u8 *buffer, size_t len);
   9
  10static inline u16 crc_ccitt_byte(u16 crc, const u8 c)
  11{
  12        return (crc >> 8) ^ crc_ccitt_table[(crc ^ c) & 0xff];
  13}
  14
  15#endif /* _LINUX_CRC_CCITT_H */
  16
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