pub unsafe extern "C" fn XtInsertEventTypeHandler(
    _6: Widget,
    _5: c_int,
    _4: *mut c_void,
    _3: Option<unsafe extern "C" fn(_: Widget, _: *mut c_void, _: *mut XEvent, _: *mut c_char)>,
    _2: *mut c_void,
    _1: XtListPosition
)