0,0,\u0030\u002C (C99)\U000030\U00002C (C99)\x30\x2C (encoding-dependent)\060\054 (encoding-dependent)\u{30}\u{2C} (C++23)\x{30}\x{2C} (C++23, encoding-dependent)\o{060}\o{054} (C++23, encoding-dependent)\U00000030\U0000002C\u0030\u002C\x30\x2C (encoding-dependent)\060\054 (encoding-dependent)\u0030\u002C\u{30}\u{2C}\u0030\u002C\x30\x2C\30\2C\000030\00002C=30=2C%30%2C