pub unsafe fn HttpAddFragmentToCache<P0, P1>(
    requestqueuehandle: P0,
    urlprefix: P1,
    datachunk: *const HTTP_DATA_CHUNK,
    cachepolicy: *const HTTP_CACHE_POLICY,
    overlapped: Option<*const OVERLAPPED>
) -> u32
where P0: IntoParam<HANDLE>, P1: IntoParam<PCWSTR>,