#include <windows.h>

void usleep(__int64 usec)
{
    HANDLE timer;
    LARGE_INTEGER ft;

    ft.QuadPart = -(10*usec); // Convert to 100 nanosecond interval, negative value indicates relative time

    timer = CreateWaitableTimer(NULL, TRUE, NULL);
    SetWaitableTimer(timer, &ft, 0, NULL, NULL, 0);
    WaitForSingleObject(timer, INFINITE);
    CloseHandle(timer);
}