freopen.html

来自「从www.CppReference.com打包的C++参考手册」· HTML 代码 · 共 58 行

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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>freopen</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 I/O</a> &gt; <a href=    "freopen.html">freopen</a>  </div>  <div class="name-format">    freopen  </div>  <div class="syntax-name-format">    Syntax:  </div>  <pre class="syntax-box">  #include &lt;stdio.h&gt;  FILE *freopen( const char *fname, const char *mode, FILE *stream );</pre>  <p>The freopen() function is used to reassign an existing  <em>stream</em> to a different file and mode. After a call to this  function, the given file <em>stream</em> will refer to <em>fname</em>  with access given by <em>mode</em>. The return value of freopen() is  the new stream, or <strong>NULL</strong> if there is an error.</p>  <div class="related-name-format">    Related topics:  </div>  <div class="related-content">    <a href="fclose.html">fclose</a><br>    <a href="fopen.html">fopen</a>  </div>  </div>  </td>    </tr>  </table></body></html>

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