Function winapi::um::powrprof::PowerReadDCValueIndex

pub unsafe extern "system" fn PowerReadDCValueIndex(
    RootPowerKey: HKEY, 
    SchemeGuid: *const GUID, 
    SubGroupOfPowerSettingsGuid: *const GUID, 
    PowerSettingGuid: *const GUID, 
    DcValueIndex: LPDWORD
) -> DWORD