8.8.\u0038\u002E (C99)\U000038\U00002E (C99)\x38\x2E (encoding-dependent)\070\056 (encoding-dependent)\u{38}\u{2E} (C++23)\x{38}\x{2E} (C++23, encoding-dependent)\o{070}\o{056} (C++23, encoding-dependent)\U00000038\U0000002E\u0038\u002E\x38\x2E (encoding-dependent)\070\056 (encoding-dependent)\u0038\u002E\u{38}\u{2E}\u0038\u002E\x38\x2E\38\2E\000038\00002E=38=2E%38%2E