OKOK\u004F\u004B (C99)\U00004F\U00004B (C99)\x4F\x4B (encoding-dependent)\117\113 (encoding-dependent)\u{4F}\u{4B} (C++23)\x{4F}\x{4B} (C++23, encoding-dependent)\o{117}\o{113} (C++23, encoding-dependent)\U0000004F\U0000004B\u004F\u004B\x4F\x4B (encoding-dependent)\117\113 (encoding-dependent)\u004F\u004B\u{4F}\u{4B}\u004F\u004B\x4F\x4B\4F\4B\00004F\00004B=4F=4B%4F%4B