Function x11::xt::XtRegisterExtensionSelector

pub unsafe extern "C" fn XtRegisterExtensionSelector(
    _5: *mut Display, 
    _4: c_int, 
    _3: c_int, 
    _2: Option<unsafe extern "C" fn(_: Widget, _: *mut c_int, _: *mut *mut c_void, _: c_int, _: *mut c_void)>, 
    _1: *mut c_void
)