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# Sneakily using macros

In a code golf challenge, you are tasked to use as small bytes as possible. However, it's considered unacceptable in a language like C to use macros to hide code or shorten it without including the macro itself.

## An example:

> # [C (clang)], 5 bytes
>
> <!-- language-all: lang-c -->
>
>     hello
>
> [Try it online!][TIO-kril2e8h]

In other words, it's a messy way to shorten code, and therefore, a challenge loophole.

[C (clang)]: http://clang.llvm.org/
[TIO-kril2e8h]: https://tio.run/##S9ZNzknMS/@vnJmXnFOakqpgU1ySkpmvl2HHpZySmpaZl6qQkZqTk6@Qm5iZp6FZXVBaUqyh5AES0lEozy/KSdFT0rSu/Q9W9P8/AA "C (clang) – Try It Online"