pub unsafe extern "system" fn VerInstallFile(
uflags: u32,
szsrcfilename: *const u16,
szdestfilename: *const u16,
szsrcdir: *const u16,
szdestdir: *const u16,
szcurdir: *const u16,
sztmpfile: *mut u16,
putmpfilelen: *mut u32,
) -> u32