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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>wcsncat</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-string.html">string</a>&lrm; | <a href="cpp-string-wide.html">wide</a></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-cwchar.html">&lt;cwchar&gt;</a></code></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">wchar_t</span> <span class="sy2">*</span>wcsncat<span class="br0">(</span> <span class="kw4">wchar_t</span> <span class="sy2">*</span>dest, <span class="kw4">const</span> <span class="kw4">wchar_t</span> <span class="sy2">*</span>src, <a href="cpp-types-size_t.html"><span class="kw100">std::<span class="me2">size_t</span></span></a> count <span class="br0">)</span><span class="sy4">;</span></span></div>
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<p>&#21518;&#38468;&#26469;&#33258; <code>src</code> &#25152;&#25351;&#21521;&#30340;&#23485;&#23383;&#31526;&#20018;&#30340;&#33267;&#22810; <code>count</code> &#20010;&#23485;&#23383;&#31526;&#65292;&#21040; <code>dest</code> &#25152;&#25351;&#21521;&#30340;&#23383;&#31526;&#20018;&#26411;&#23614;&#65292;&#33509;&#25214;&#21040;&#31354;&#23383;&#31526;&#21017;&#20572;&#27490;&#12290;&#23485;&#23383;&#31526; <span class="t-c"><span class="mw-geshi cpp source-cpp">src<span class="br0">[</span><span class="nu0">0</span><span class="br0">]</span></span></span> &#26367;&#25442;&#20301;&#20110; <code>dest</code> &#26411;&#23614;&#30340;&#31354;&#32456;&#27490;&#31526;&#12290;&#22987;&#32456;&#21518;&#38468;&#32456;&#27490;&#31354;&#23383;&#31526;&#21040;&#26411;&#23614;&#65288;&#25925;&#20989;&#25968;&#21487;&#20889;&#20837;&#30340;&#26368;&#22823;&#23485;&#23383;&#31526;&#25968;&#26159; <span class="t-c"><span class="mw-geshi cpp source-cpp">count<span class="sy2">+</span><span class="nu0">1</span></span></span> &#65289;&#12290;</p>
<p>&#33509;&#30446;&#26631;&#25968;&#32452;&#27809;&#26377;&#23545;&#20110; <code>dest</code> &#21644; <code>src</code> &#30340;&#20869;&#23481;&#21152;&#19978;&#32456;&#27490;&#31354;&#23485;&#23383;&#31526;&#36275;&#22815;&#30340;&#31354;&#38388;&#65292;&#21017;&#34892;&#20026;&#26410;&#23450;&#20041;&#12290;</p>
<p>&#33509;&#23383;&#31526;&#20018;&#37325;&#21472;&#21017;&#34892;&#20026;&#26410;&#23450;&#20041;&#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
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<td>dest</td>
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<td>&#25351;&#21521;&#35201;&#21518;&#38468;&#21040;&#30340;&#31354;&#32456;&#27490;&#23485;&#23383;&#31526;&#20018;&#30340;&#25351;&#38024;</td>
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<td>src</td>
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<td>&#25351;&#21521;&#20316;&#20026;&#22797;&#21046;&#26469;&#28304;&#30340;&#23485;&#23383;&#31526;&#25968;&#32452;&#30340;&#25351;&#38024;</td>
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<td>count</td>
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<td>&#35201;&#22797;&#21046;&#30340;&#26368;&#22823;&#23485;&#23383;&#31526;&#25968;</td>
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<p><code>dest</code></p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
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<pre class="de1"><span class="co2">#include &lt;cwchar&gt; </span>
<span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;clocale&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="kw4">void</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw4">wchar_t</span> str<span class="br0">[</span><span class="nu0">50</span><span class="br0">]</span> <span class="sy1">=</span> L<span class="st0">&quot;&#1047;&#1077;&#1084;&#1083;&#1103;, &#1087;&#1088;&#1086;&#1097;&#1072;&#1081;.&quot;</span><span class="sy4">;</span>
std<span class="sy4">::</span><span class="me2">wcsncat</span><span class="br0">(</span>str, L<span class="st0">&quot; &quot;</span>, <span class="nu0">1</span><span class="br0">)</span><span class="sy4">;</span>
std<span class="sy4">::</span><span class="me2">wcsncat</span><span class="br0">(</span>str, L<span class="st0">&quot;&#1042; &#1076;&#1086;&#1073;&#1088;&#1099;&#1081; &#1087;&#1091;&#1090;&#1100;.&quot;</span>, <span class="nu0">8</span><span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#21482;&#21518;&#38468;&#39318; 8 &#20010;&#23485;&#23383;&#31526;</span>
<a href="cpp-locale-setlocale.html"><span class="kw1989">std::<span class="me2">setlocale</span></span></a><span class="br0">(</span><a href="cpp-locale-LC_categories.html"><span class="kw1992">LC_ALL</span></a>, <span class="st0">&quot;en_US.utf8&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">wcout</span></span></a>.<span class="me1">imbue</span><span class="br0">(</span><a href="cpp-locale-locale.html"><span class="kw1893">std::<span class="me2">locale</span></span></a><span class="br0">(</span><span class="st0">&quot;en_US.utf8&quot;</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">wcout</span></span></a> <span class="sy1">&lt;&lt;</span> str <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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<p>&#21487;&#33021;&#30340;&#36755;&#20986;&#65306;</p>
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<pre class="de1">&#1047;&#1077;&#1084;&#1083;&#1103;, &#1087;&#1088;&#1086;&#1097;&#1072;&#1081;. &#1042; &#1076;&#1086;&#1073;&#1088;&#1099;&#1081;</pre></div>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
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<div><a href="cpp-string-wide-wcscat.html"><span class="t-lines"><span>wcscat</span></span></a></div>
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<td>&#21518;&#38468;&#19968;&#20010;&#23485;&#23383;&#31526;&#20018;&#30340;&#21103;&#26412;&#21040;&#21478;&#19968;&#20010;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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<div><a href="cpp-string-byte-strncat.html"><span class="t-lines"><span>strncat</span></span></a></div>
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<td>&#36830;&#25509;&#20004;&#20010;&#23383;&#31526;&#20018;&#30340;&#19968;&#23450;&#37327;&#23383;&#31526;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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<div><a href="cpp-string-wide-wcscpy.html"><span class="t-lines"><span>wcscpy</span></span></a></div>
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<td>&#22797;&#21046;&#19968;&#20010;&#23485;&#23383;&#31526;&#20018;&#21040;&#21478;&#19968;&#20010;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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