title: Simple question on file seeking in C
body: <p>Say I write in a file</p>
  
  <pre><code>Mesh: 1
      Vertices: 345
      Indices: 123
      V: 1,3,4 1,4,5 ..
  Mesh: 2
      Vertices: 456
      Indices: 42
  etc.
  </code></pre>
  
  <p>How do I go about seeking at any position? E.g. I want to go to Vertices: of Mesh 2 or V: of Mesh 3 etc. </p>
  
  <p>What's the proper way to go about these things?</p>