 a valid FreeType error code.</p>
<h4>input</h4>
<table class="fields">
<tr><td class="val" id="error_code">error_code</td><td class="desc">
<p>A valid FreeType error code.</p>
</td></tr>
</table>

<h4>return</h4>

<p>A C&nbsp;string or <code>NULL</code>, if any error occurred.</p>
<h4>note</h4>

<p>FreeType has to be compiled with <code>FT_CONFIG_OPTION_ERROR_STRINGS</code> or <code>FT_DEBUG_LEVEL_ERROR</code> to get meaningful descriptions. &lsquo;error_string&rsquo; will be <code>NULL</code> otherwise.</