Function x11::xt::XtAddEventHandler

pub unsafe extern fn XtAddEventHandler(_5: Widget,
                                       _4: c_ulong,
                                       _3: c_char,
                                       _2: Option<unsafe extern fn(_: Widget, _: *mut c_void, _: *mut XEvent, _: *mut c_char)>,
                                       _1: *mut c_void)