Function x11::xt::XtAddEventHandler

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