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#ifdef _WIN32
#include <windows.h>
extern void
usleep (long usec)
{
LARGE_INTEGER lFrequency;
LARGE_INTEGER lEndTime;
LARGE_INTEGER lCurTime;
QueryPerformanceFrequency (&lFrequency);
if (lFrequency.QuadPart)
{
QueryPerformanceCounter (&lEndTime);
lEndTime.QuadPart += (LONGLONG) usec * lFrequency.QuadPart / 1000000;
do
{
QueryPerformanceCounter (&lCurTime);
Sleep(0);
} while (lCurTime.QuadPart < lEndTime.QuadPart);
}
}
#endif
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