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<h2 class="chapter">3 Missing Features</h2>
<p><code>libffi</code> is missing a few features. We welcome patches to add
support for these.
</p>
<ul>
<li> Variadic closures.
</li><li> There is no support for bit fields in structures.
</li><li> The closure API is
</li><li> The “raw” API is undocumented.
</li></ul>
<p>Note that variadic support is very new and tested on a relatively
small number of platforms.
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