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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.
<ul>
<li>Variadic closures.
<li>There is no support for bit fields in structures.
<li>The closure API is
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<li>The “raw” API is undocumented.
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</ul>
<p>Note that variadic support is very new and tested on a relatively small number of platforms.
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