4,4,\u0034\u002C (C99)\U000034\U00002C (C99)\x34\x2C (encoding-dependent)\064\054 (encoding-dependent)\u{34}\u{2C} (C++23)\x{34}\x{2C} (C++23, encoding-dependent)\o{064}\o{054} (C++23, encoding-dependent)\U00000034\U0000002C\u0034\u002C\x34\x2C (encoding-dependent)\064\054 (encoding-dependent)\u0034\u002C\u{34}\u{2C}\u0034\u002C\x34\x2C\34\2C\000034\00002C=34=2C%34%2C