Title: Hey HN,<p>I'm teaching a class to a bunch of high school and middle school students tomorrow who've all had moderate experience with programming.  I'm covering pointer basics in C as a light intro or refresher, then focusing on cool (but relatively simple / not too crazy) tricks/tips/etc (e.g. stack walking, function pointer arrays).  Care to share any of your favorite small pointer tricks with me for the class?<p>Thanks :)<p>-Cam
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