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C/C++ Source or Header  |  2006-08-11  |  286 b   |  13 lines
  1. #ifndef _ASM_GENERIC_BITOPS_FFZ_H_
  2. #define _ASM_GENERIC_BITOPS_FFZ_H_
  3.  
  4. /*
  5.  * ffz - find first zero in word.
  6.  * @word: The word to search
  7.  *
  8.  * Undefined if no zero exists, so code should check against ~0UL first.
  9.  */
  10. #define ffz(x)  __ffs(~(x))
  11.  
  12. #endif /* _ASM_GENERIC_BITOPS_FFZ_H_ */
  13.