You are definitely correct about this. My first CS prof did the exact same thing. Its compounded by the fact that I've used global structures at times when they were certainly *not* appropriate. In some ways I am a little bit grateful to have a healthy level of distrust of global variables, since its making me question initially if they are the right fit for the problem. And of course it started this thread with all these great responses by you and everyone else as you mentioned.
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