rating system threads. */</span>
<span class="mdzsyn-type">struct</span> <span class="mdzsyn-identifier">JanetFiber</span> <span class="mdzsyn-operator">{</span>
    <span class="mdzsyn-identifier">JanetGCObject</span> <span class="mdzsyn-identifier">gc</span><span class="mdzsyn-operator">;</span> <span class="mdzsyn-comment">/* GC Object stuff */</span>
    <span class="mdzsyn-type">int32_t</span> <span class="mdzsyn-identifier">flags</span><span class="mdzsyn-operator">;</span> <span class="mdzsyn-comment