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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>tellp</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">C++ I/O</a> &gt; <a href="tellp.html">tellp</a>  </div>  <div class="name-format">    tellp  </div>  <div class="syntax-name-format">    Syntax:  </div>  <pre class="syntax-box">  #include &lt;fstream&gt;  pos_type tellp();</pre>  <p>The tellp() function is used with output streams, and returns the  current &quot;put&quot; position of the pointer in the stream.</p>  <p>For example, the following code displays the file pointer as it  writes to a stream:</p>  <pre class="example-code"> string s(&quot;In Xanadu did Kubla Khan...&quot;); ofstream fout(&quot;output.txt&quot;); for( int i=0; i &lt; s.length(); i++ ) {   cout &lt;&lt; &quot;File pointer: &quot; &lt;&lt; fout.tellp();   fout.put( s[i] );   cout &lt;&lt; &quot; &quot; &lt;&lt; s[i] &lt;&lt; endl; } fout.close();          </pre>  <div class="related-name-format">    Related topics:  </div>  <div class="related-content">    <a href="seekg.html">seekg</a><br>    <a href="seekp.html">seekp</a><br>    <a href="tellg.html">tellg</a>  </div>  </div>  </td>    </tr>  </table></body></html>

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