title: C++ - #include "filename"
body: <p>At <a href="http://www.learncpp.com/cpp-tutorial/110-a-first-look-at-the-preprocessor/" rel="nofollow">this tutorial</a> it mentions the following about <code>#include "filename"</code>:</p>
  
  <blockquote>
    <p><em>#include "filename" tells the compiler to look for the file in
    directory containing the source file
    doing the #include. <strong>If that fails,
    it will act identically to the angled
    brackets case</strong>.</em></p>
  </blockquote>
  
  <p>What is meant by the bolded font sentence?</p>
  
  <p>Thanks.</p>