Function PdhGetDefaultPerfCounterHW 

pub unsafe extern "system" fn PdhGetDefaultPerfCounterHW(
    hdatasource: PDH_HLOG,
    szmachinename: PCWSTR,
    szobjectname: PCWSTR,
    szdefaultcountername: PWSTR,
    pcchbuffersize: *mut u32,
) -> u32