13 lines · c
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 search7 *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