title: how to fix the error c2118: negative subscript
body: <p>Again, porting 32-bit app to 64-bit. I get the negative subscript error on the C_ASSERT statement mentioned below..</p>
  
  <pre><code>
  C_ASSERT (sizeof(somestruct) == some#define);
  </code></pre>
  
  <p>I also read the <a href="http://support.microsoft.com/kb/68475" rel="noreferrer">http://support.microsoft.com/kb/68475</a> article but not sure if I know how to fix it in this case.</p>
  
  <p>Help is appreciated.</p>
  
  <p>Thanks in advance.</p>