C. Try to
put mostly simple, short running logic here as this suspends the garbage collector
for the duration of the call. Functions called this way also must either return or error.
Other signals will be coerced into an error.
</p>

<pre class="mendoza-codeblock"><code data-language="c"><span class="mdzsyn-type">void</span> <span class="mdzsyn-identifier">janet_stacktrace</span><span class="mdzsyn-operator">(</span><span class="mdzsyn-identifier">JanetFiber</span> <span class="mdzsyn-operator">*</span><spa