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kernel/linux-imx6_3.14.28/include/linux/crc-ccitt.h 330 Bytes
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  #ifndef _LINUX_CRC_CCITT_H
  #define _LINUX_CRC_CCITT_H
  
  #include <linux/types.h>
  
  extern u16 const crc_ccitt_table[256];
  
  extern u16 crc_ccitt(u16 crc, const u8 *buffer, size_t len);
  
  static inline u16 crc_ccitt_byte(u16 crc, const u8 c)
  {
  	return (crc >> 8) ^ crc_ccitt_table[(crc ^ c) & 0xff];
  }
  
  #endif /* _LINUX_CRC_CCITT_H */