title: Gtk can't find "<config.h>"
body: <p>I find many examples on various gtk uses on the net but most of them contains included header </p>
  
  <pre><code>#include &lt;config.h&gt;
  </code></pre>
  
  <p>and I can't fint this header nowhere so I can't get those examples to work.</p>
  
  <p>What is this about?<br>
  Where I can take or with what I can replace this header?<br>
  Or I can configure such files/projects differently to get them work as other gtk project works on my comp?</p>
  
  <p>Currently I try to compile socket example <a href="http://www.koders.com/c/fid689C0C0EDB62406B883A4DFB7A939CCE70249155.aspx" rel="nofollow">testsocket.c</a> and 
  during compilation I get error undefined reference to 'create_child_plug'. I don't see any reason for this to don't work except in this header.<br>
  But I may be wrong anyway.</p>