title: variable auto in C
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1046477/is-there-any-reason-to-use-the-auto-keyword-in-c-c">Is there any reason to use the &#39;auto&#39; keyword in C / C++?</a>  </p>
  </blockquote>
  
  
  
  <p>I read that:</p>
  
  <pre><code>int i;
  </code></pre>
  
  <p>and</p>
  
  <pre><code>auto int i;
  </code></pre>
  
  <p>are equivalent. If so, what's the use of auto keyword in C? Is there any special cases when auto is more useful? Or things that cant be achieved without auto??</p>