0;        <span class="keywordflow">return</span> <a class="code" href="namespaceboost_1_1nowide.html#a2c6cc8031fbf04a4d60a50a892d30906">narrow</a>(output, output_size, source, source + <a class="code" href="namespaceboost_1_1nowide_1_1utf.html#af88d6b53b99aec7da32bd67087e7fdcd">utf::strlen</a>(source));</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    }</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div><div class="line"><a name="l