pub unsafe extern "C" fn XtVaOpenApplication(
    _8: *mut XtAppContext,
    _7: *const c_char,
    _6: XrmOptionDescList,
    _5: c_uint,
    _4: *mut c_int,
    _3: *mut *mut c_char,
    _2: *mut *mut c_char,
    _1: WidgetClass,
     ...
) -> Widget