)</span>
  =&gt; 21
</pre>
<h4 class="subheading">See Also</h4>

<p><a href="foreign_002dstring_002dfree.html#foreign_002dstring_002dfree">foreign-string-free</a> <br>
<a href="with_002dforeign_002dstring.html#with_002dforeign_002dstring">with-foreign-string</a>
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