title: stdio.h not standard in C++?
body: <p>I know most compilers allow both:</p>
  <pre><code>#include &lt;stdio.h&gt;
  </code></pre>
  <p>and</p>
  <pre><code>#include &lt;cstdio&gt;
  </code></pre>
  <p>But someone argued that <code>&lt;stdio.h&gt;</code> is not actually C++ standard.  Is that true?</p>