====\u003D\u003D (C99)\U00003D\U00003D (C99)\x3D\x3D (encoding-dependent)\075\075 (encoding-dependent)\u{3D}\u{3D} (C++23)\x{3D}\x{3D} (C++23, encoding-dependent)\o{075}\o{075} (C++23, encoding-dependent)\U0000003D\U0000003D\u003D\u003D\x3D\x3D (encoding-dependent)\075\075 (encoding-dependent)\u003D\u003D\u{3D}\u{3D}\u003D\u003D\x3D\x3D\3D\3D\00003D\00003D=3D=3D%3D%3D