pub unsafe fn CreatePatchFileA<P0, P1, P2>(
    oldfilename: P0,
    newfilename: P1,
    patchfilename: P2,
    optionflags: u32,
    optiondata: Option<*const PATCH_OPTION_DATA>
) -> BOOL
where P0: IntoParam<PCSTR>, P1: IntoParam<PCSTR>, P2: IntoParam<PCSTR>,