\u000C (C99)\U00000C (C99)\f\x0C (encoding-dependent)\014 (encoding-dependent)\u{C} (C++23)\x{0C} (C++23, encoding-dependent)\o{014} (C++23, encoding-dependent)\f\U0000000C\u000C\x0C (encoding-dependent)\014 (encoding-dependent)\f\u000C\u{C}\u000C\f\x0C\C\00000C=0C%0C