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<p>
  I don't know.  I read the pointers chapter at least 3 times, and I
  still get confused when I see pointer stuff in real code.  The other
  day, I read the
  <a href="https://swtch.com/~rsc/regexp/regexp1.html">famous regex
  post by Russ Cox</a>, and it took me a couple of hours to understand
  the pointer parts of the code even though the algorithm behind it
  was relatively simple.  I guess pointers are just one of those
  thin