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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>strcoll</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-byte.html">byte</a></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-cstring.html">&lt;cstring&gt;</a></code></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">int</span> strcoll<span class="br0">(</span> <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> lhs, <span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> rhs <span class="br0">)</span><span class="sy4">;</span></span></div>
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<p>&#25353;&#29031; <span class="t-lc"><a href="cpp-locale-LC_categories.html">LC_COLLATE</a></span> &#31867;&#21035;&#25152;&#23450;&#20041;&#30340;&#24403;&#21069;&#26412;&#22320;&#29615;&#22659;&#65292;&#27604;&#36739;&#20108;&#20010;&#31354;&#32456;&#27490;&#23383;&#33410;&#23383;&#31526;&#20018;&#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
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<td>lhs, rhs</td>
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<td>&#25351;&#21521;&#35201;&#27604;&#36739;&#30340;&#31354;&#32456;&#27490;&#23383;&#33410;&#23383;&#31526;&#20018;&#30340;&#25351;&#38024;</td>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#33509; <code>lhs</code> <i>&#23567;&#20110;</i>&#65288;&#21069;&#36235;&#65289; <code>rhs</code> &#21017;&#20026;&#36127;&#20540;&#12290;</p>
<p>&#33509; <code>lhs</code> <i>&#31561;&#20110;</i> <code>rhs</code> &#21017;&#20026; <span class="t-c"><span class="mw-geshi cpp source-cpp">&#8203;<span class="nu0">0</span>&#8203;</span></span> &#12290;</p>
<p>&#33509; <code>lhs</code> <i>&#22823;&#20110;</i>&#65288;&#21518;&#38543;&#65289; <code>rhs</code> &#21017;&#20026;&#36127;&#20540;&#12290;</p>
<h3><span class="mw-headline" id=".E6.B3.A8.E6.84.8F">&#27880;&#24847;</span></h3>
<p>&#23545;&#29031;&#39034;&#24207;&#20026;&#23383;&#20856;&#39034;&#24207;&#65306;&#22269;&#23478;&#23383;&#27597;&#34920;&#65288;&#20854;<i>&#31561;&#20215;&#31867;</i>&#65289;&#20013;&#23383;&#27597;&#30340;&#20301;&#32622;&#25317;&#26377;&#39640;&#20110;&#20854;&#22823;&#23567;&#20889;&#25110;&#21464;&#20307;&#30340;&#20248;&#20808;&#32423;&#12290;&#22312;&#31561;&#20215;&#31867;&#20869;&#65292;&#23567;&#20889;&#23383;&#31526;&#20808;&#20110;&#20854;&#22823;&#20889;&#31561;&#20215;&#29289;&#23545;&#29031;&#65292;&#32780;&#19988;&#26412;&#22320;&#29615;&#22659;&#38480;&#23450;&#30340;&#39034;&#24207;&#21487;&#33021;&#24212;&#29992;&#21040;&#26377;&#21457;&#38899;&#31526;&#21495;&#30340;&#23383;&#31526;&#12290;&#19968;&#20123;&#26412;&#22320;&#29615;&#22659;&#20013;&#65292;&#23383;&#31526;&#32452;&#20316;&#20026;&#21333;&#20010;<i>&#23545;&#29031;&#21333;&#20803;</i>&#27604;&#36739;&#12290;&#20363;&#22914;&#65292; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="st0">&quot;ch&quot;</span></span></span> &#22312;&#25463;&#20811;&#35821;&#20013;&#21518;&#38543; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="st0">&quot;h&quot;</span></span></span> &#32780;&#21069;&#36235; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="st0">&quot;i&quot;</span></span></span> &#65292; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="st0">&quot;dzs&quot;</span></span></span> &#22312;&#21256;&#29273;&#21033;&#35821;&#20013;&#21518;&#38543; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="st0">&quot;dz&quot;</span></span></span> &#32780;&#21069;&#36235; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="st0">&quot;g&quot;</span></span></span> &#12290;</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;iostream&gt;</span>
<span class="co2">#include &lt;cstring&gt;</span>
<span class="co2">#include &lt;clocale&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</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="kw1993">LC_COLLATE</span></a>, <span class="st0">&quot;cs_CZ.iso88592&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> s1 <span class="sy1">=</span> <span class="st0">&quot;hrnec&quot;</span><span class="sy4">;</span>
<span class="kw4">const</span> <span class="kw4">char</span><span class="sy2">*</span> s2 <span class="sy1">=</span> <span class="st0">&quot;chrt&quot;</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;In the Czech locale: &quot;</span><span class="sy4">;</span>
<span class="kw1">if</span><span class="br0">(</span>std<span class="sy4">::</span><span class="me2">strcoll</span><span class="br0">(</span>s1, s2<span class="br0">)</span> <span class="sy1">&lt;</span> <span class="nu0">0</span><span class="br0">)</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> s1 <span class="sy1">&lt;&lt;</span> <span class="st0">&quot; before &quot;</span> <span class="sy1">&lt;&lt;</span> s2 <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<span class="kw1">else</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> s2 <span class="sy1">&lt;&lt;</span> <span class="st0">&quot; before &quot;</span> <span class="sy1">&lt;&lt;</span> s1 <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;In lexicographical comparison: &quot;</span><span class="sy4">;</span>
<span class="kw1">if</span><span class="br0">(</span><a href="cpp-string-byte-strcmp.html"><span class="kw1146">std::<span class="me2">strcmp</span></span></a><span class="br0">(</span>s1, s2<span class="br0">)</span> <span class="sy1">&lt;</span> <span class="nu0">0</span><span class="br0">)</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> s1 <span class="sy1">&lt;&lt;</span> <span class="st0">&quot; before &quot;</span> <span class="sy1">&lt;&lt;</span> s2 <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<span class="kw1">else</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> s2 <span class="sy1">&lt;&lt;</span> <span class="st0">&quot; before &quot;</span> <span class="sy1">&lt;&lt;</span> s1 <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>&#36755;&#20986;&#65306;</p>
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<pre class="de1">In the Czech locale: hrnec before chrt
In lexicographical comparison: chrt before hrnec</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-wcscoll.html"><span class="t-lines"><span>wcscoll</span></span></a></div>
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<td>&#25353;&#29031;&#24403;&#21069;&#26412;&#22320;&#29615;&#22659;&#27604;&#36739;&#20004;&#20010;&#23485;&#23383;&#31526;&#20018;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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<div><a href="cpp-locale-collate-compare.html"><span class="t-lines"><span>do_compare</span></span></a></div>
<div><span class="t-lines"><span><span class="t-cmark">[&#34394;]</span></span></span></div>
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<td>&#29992;&#27492;&#24179;&#38754;&#30340;&#23545;&#29031;&#35268;&#21017;&#27604;&#36739;&#20108;&#20010;&#23383;&#31526;&#20018;<br />
<span class="t-mark">(<code>std::collate&lt;CharT&gt;</code> &#30340;&#34394;&#21463;&#20445;&#25252;&#25104;&#21592;&#20989;&#25968;)</span></td>
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<div><a href="cpp-string-byte-strxfrm.html"><span class="t-lines"><span>strxfrm</span></span></a></div>
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<td>&#21464;&#25442;&#23383;&#31526;&#20018;&#65292;&#20351;&#24471; strcmp &#20250;&#36820;&#22238;&#19982; strcoll &#30456;&#21516;&#30340;&#32467;&#26524;<br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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