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| Direktori : /usr/src/kernels/3.10.0-957.21.3.el7.centos.plus.x86_64/include/asm-generic/bitops/ |
| Current File : //usr/src/kernels/3.10.0-957.21.3.el7.centos.plus.x86_64/include/asm-generic/bitops/builtin-__ffs.h |
#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