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<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><code class="computeroutput">ch</code></span></p></td>
<td><p>The source character. </p></td>
</tr></tbody>
</table></div></td>
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<tr>
<td><p><span class="term">Returns:</span></p></td>
<td><p>std::tolower(ch, this-&gt;getloc()). </p></td>
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</table></div>
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<li class="listitem">
<pre class="literallayout"><span class="identifier">char_type</span> <a name="id-1_3_47_5_18_2_1_1_3_6-bb"></a><span cla