📄 setlocale.html

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head>  <meta name="generator" content=  "HTML Tidy for Linux/x86 (vers 1 September 2005), see www.w3.org">  <title>setlocale</title>  <link href="../cppreference.css" rel="stylesheet" type="text/css"></head><body><table>  <tr>  <td>  <div class="body-content">  <div class="header-box">    <a href="../index.html">cppreference.com</a> &gt; <a href=    "index.html">Standard C Date &amp; Time</a> &gt; <a href=    "setlocale.html">setlocale</a>  </div>  <div class="name-format">    setlocale  </div>  <div class="syntax-name-format">    Syntax:  </div>  <pre class="syntax-box">  #include &lt;locale.h&gt;  char *setlocale( int category, const char * locale );</pre>  <p>The setlocale() function is used to set and retrieve the current  locale. If <em>locale</em> is <strong>NULL</strong>, the current  locale is returned. Otherwise, <em>locale</em> is used to set the  locale for the given <em>category</em>.</p>  <p><em>category</em> can have the following values:</p>  <table class="code-table">    <tr>      <th class="code-table-th">Value</th>      <th class="code-table-th">Description</th>    </tr>    <tr>      <td class="code-table-td">LC_ALL</td>      <td class="code-table-td">All of the locale</td>    </tr>    <tr>      <td class="code-table-td">LC_TIME</td>      <td class="code-table-td">Date and time formatting</td>    </tr>    <tr>      <td class="code-table-td">LC_NUMERIC</td>      <td class="code-table-td">Number formatting</td>    </tr>    <tr>      <td class="code-table-td">LC_COLLATE</td>      <td class="code-table-td">String collation and regular expression      matching</td>    </tr>    <tr>      <td class="code-table-td">LC_C<a href=      "../containers.html">TYPE</a></td>      <td class="code-table-td">Regular expression matching,      conversion, case-sensitive comparison, wide character functions,      and character classification.</td>    </tr>    <tr>      <td class="code-table-td">LC_MONETARY</td>      <td class="code-table-td">For monetary formatting</td>    </tr>    <tr>      <td class="code-table-td">LC_MESSAGES</td>      <td class="code-table-td">For natural language messages</td>    </tr>  </table>  <div class="related-name-format">    Related topics:  </div>  <div class="related-content">    (Standard C String and Character) <a href=    "../stdstring/strcoll.html">strcoll</a>  </div>  </div>  </td>    </tr>  </table></body></html>
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