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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>putchar</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=    "putchar.html">putchar</a>  </div>  <div class="name-format">    putchar  </div>  <div class="syntax-name-format">    Syntax:  </div>  <pre class="syntax-box">  #include &lt;stdio.h&gt;  int putchar( int ch );</pre>  <p>The putchar() function writes <em>ch</em> to  <strong>stdout</strong>. The code</p>  <pre class="example-code">   putchar( ch );               </pre>  <p>is the same as</p>  <pre class="example-code">   putc( ch, <strong>stdout</strong> );         </pre>  <p>The return value of putchar() is the written character, or  <strong>EOF</strong> if there is an error.</p>  <div class="related-name-format">    Related topics:  </div>  <div class="related-content">    <a href="putc.html">putc</a>  </div>  </div>  </td>    </tr>  </table></body></html>

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