o by apis </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>number of items needed for apis array if apis==NULL, or number of items written to apis array otherwise. A negative return value indicates an error.</dd></dl>
<p>See <a class="el" href="classRtMidi.html#a025fa339486c9a34b26ec707aa2944ce">RtMidi::getCompiledApi()</a>. </p>

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