#ifndef WIN32_LEAN_AND_MEAN | |
#define WIN32_LEAN_AND_MEAN | |
#endif | |
#define __CRT__NO_INLINE | |
#include <windows.h> | |
BOOLEAN _BitScanForward64(DWORD *Index,DWORD64 Mask) | |
{ | |
__asm__ __volatile__("bsfq %1,%0" : "=r" (Mask),"=m" ((*(volatile long long *)Index))); | |
return (Mask != 0); | |
} | |