xref: /linux/tools/include/asm-generic/bitops/__ffz.h (revision 1d57628ff95b32d5cfa8d8f50e07690c161e9cf0)
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