release/src-rt-6.x.4708/linux/linux-2.6.36/include/asm-generic/bitops/ffz.h

   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_ */