\u0005 (C99)\U000005 (C99)\x05 (encoding-dependent)\005 (encoding-dependent)\u{5} (C++23)\x{05} (C++23, encoding-dependent)\o{005} (C++23, encoding-dependent)\U00000005\u0005\x05 (encoding-dependent)\005 (encoding-dependent)\u0005\u{5}\u0005\x05\5\000005=05%05