1#ifndef strings_h
2#define strings_h
3
4/* MSVC doesn't define ffs/ffsl. This dummy strings.h header is provided
5 * for both */
6#include <intrin.h>
7#pragma intrinsic(_BitScanForward)
8static __forceinline int ffsl(long x)
9{
10	unsigned long i;
11
12	if (_BitScanForward(&i, x))
13		return (i + 1);
14	return (0);
15}
16
17static __forceinline int ffs(int x)
18{
19
20	return (ffsl(x));
21}
22
23#endif
24