title: __LP64__ on OS X --> Snow Leopard Equivalent?
body: <p>When running on Leopard you can do something like:</p>
  
  <pre><code>#if __LP64__
     #pragma message ("64 bit Leopard issue")
  #endif
  </code></pre>
  
  <p>What is Snow Leopard and Snow Leopard 64</p>
  
  <p>AND (most importantly)</p>
  
  <p>Where would I have found this answer myself and not had to ask?</p>