title: What does "request for member '*******' in something not a structure or union" mean?
body: <p>Is there an easy explanation for what this error means?</p>
  
  <pre><code>request for member '*******' in something not a structure or union
  </code></pre>
  
  <p>I've encountered it several times in the time that I've been learning C, but I haven't got a clue as to what it means.</p>