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