title: Actual usage of union in C
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1951269/c-where-is-union-practically-used">C: Where is union practically used?</a>  </p>
  </blockquote>
  
  
  
  <p>I know the concept of union but I don't see the actual case in real world coding that I should use union data structure. I will be very appreciated if you guys can give me some examples or tutorials that shows cases using union properly. </p>
  
  <p>Thanks in advance.</p>