pub unsafe extern "system" fn SetupInstallFileExA(
    infhandle: *const c_void,
    infcontext: *const INFCONTEXT,
    sourcefile: PCSTR,
    sourcepathroot: PCSTR,
    destinationname: PCSTR,
    copystyle: SP_COPY_STYLE,
    copymsghandler: PSP_FILE_CALLBACK_A,
    context: *const c_void,
    filewasinuse: *mut BOOL,
) -> BOOL