Function gdk_x11_sys::xlib::XESetBeforeFlush

pub unsafe extern "C" fn XESetBeforeFlush(
    _3: *mut _XDisplay, 
    _2: i32, 
    _1: Option<unsafe extern "C" fn(*mut _XDisplay, *mut XExtCodes, *const i8, i64)>
) -> Option<unsafe extern "C" fn(*mut _XDisplay, *mut XExtCodes, *const i8, i64)>