eturns strings.</span></code></pre><h2 id="Setting-bytes-in-a-buffer">Setting bytes in a buffer
</h2>
<p>Buffers are mutable, meaning we can add bytes or change bytes in an already
created buffer. Use the <code class="mendoza-code">put</code> function to set individual bytes in a buffer
at a given byte index. Buffers will be expanded as needed if an index out of the
range provided.
</p>
<pre class="mendoza-codeblock"><code data-language="janet">(<span class="mdzsyn-coresym">def</span> <span class="mdzsyn-sy