pub unsafe extern "C" fn XESetFreeFont(
    _3: *mut _XDisplay,
    _2: i32,
    _1: Option<unsafe extern "C" fn(_: *mut _XDisplay, _: *mut XFontStruct, _: *mut XExtCodes) -> i32>
) -> Option<unsafe extern "C" fn(_: *mut _XDisplay, _: *mut XFontStruct, _: *mut XExtCodes) -> i32>