pub unsafe extern "C" fn XESetPrintErrorValues(
    _3: *mut Display,
    _2: c_int,
    _1: Option<unsafe extern "C" fn(_: *mut Display, _: *mut XErrorEvent, _: *mut c_void)>
) -> Option<unsafe extern "C" fn(_: *mut Display, _: *mut XErrorEvent, _: *mut c_void)>