th <code class="mendoza-code">(ffi/call function-pointer function-signature &amp; arguments)</code>
You will probably want to save the function pointer and signature rather than recalculate them
on each use.
</p>
<pre class="mendoza-codeblock"><code data-language="janet">(<span class="mdzsyn-coresym">def</span> <span class="mdzsyn-symbol">self-symbols</span> (<span class="mdzsyn-coresym">ffi/native</span>))
(<span class="mdzsyn-coresym">def</span> <span class="mdzsyn-symbol">memcpy</span> (<span class="mdzs