d::towlower(ch) if Char is wchar_t. </p></td>
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<pre class="literallayout"><span class="keyword">static</span> <span class="identifier">char_type</span> <a name="idp115402544-bb"></a><span class="identifier">tolower</span><span class="special">(</span><span class="identifier">char_type</span> ch<span class="special">)</span><span class="special">;</span></pre>
<p>Converts a character to lower-case using the current global C locale.</p>
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