pub unsafe fn JetGetSystemParameterW<P0, P1>(
    instance: P0,
    sesid: P1,
    paramid: u32,
    plparam: Option<*mut JET_API_PTR>,
    szparam: Option<*mut u16>,
    cbmax: u32
) -> i32
where P0: IntoParam<JET_INSTANCE>, P1: IntoParam<JET_SESID>,