ixix\u0069\u0078 (C99)\U000069\U000078 (C99)\x69\x78 (encoding-dependent)\151\170 (encoding-dependent)\u{69}\u{78} (C++23)\x{69}\x{78} (C++23, encoding-dependent)\o{151}\o{170} (C++23, encoding-dependent)\U00000069\U00000078\u0069\u0078\x69\x78 (encoding-dependent)\151\170 (encoding-dependent)\u0069\u0078\u{69}\u{78}\u0069\u0078\x69\x78\69\78\000069\000078=69=78%69%78