title: include <time.h>,an error occurred at the start
body: <p>I use following code in <code>default.vcl</code>   </p>
  
  <pre><code>C{#include &lt;time.h&gt;}C  
  </code></pre>
  
  <p>an error occurred at the start.  </p>
  
  <pre><code>Message from C-compiler:  
  ./vcl.TfBe17Rg.c:429:21: time.h: No such file or directory  
  ./vcl.TfBe17Rg.c:430:23: string.h: No such file or directory  
  Running C-compiler failed, exit 1
  </code></pre>