title: Colons after variable name in C
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1604968/what-does-a-colon-in-a-struct-declaration-mean-such-as-1-7-16-or-32">What does a colon in a struct declaration mean, such as :1, :7, :16, or :32?
    </a>  </p>
  </blockquote>
  
  
  
  <p>This is C code sample of a reference page.</p>
  
  <pre><code>      signed int _exponent:8;
  </code></pre>
  
  <p>What's the meaning of the colon before '8' and '8' itself?</p>