pub unsafe fn JetSetSystemParameterW<P0, P1>(
    pinstance: Option<*mut JET_INSTANCE>,
    sesid: P0,
    paramid: u32,
    lparam: P1,
    szparam: Option<*const u16>
) -> i32
where P0: IntoParam<JET_SESID>, P1: IntoParam<JET_API_PTR>,