root/include/asm-generic/bitops/builtin-__ffs.h

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DEFINITIONS

This source file includes following definitions.
  1. __ffs
#ifndef _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
#define _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_

/**
 * __ffs - find first bit in word.
 * @word: The word to search
 *
 * Undefined if no bit exists, so code should check against 0 first.
 */
static __always_inline unsigned long __ffs(unsigned long word)
{
        return __builtin_ctzl(word);
}

#endif
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