Subject: Using fprintf() in functions

(This message is being sent to all CPSC 101 section 302 students)

Developing your codelab functions on your personal or lab machines
can be VERY helpful when it comes to debugging because you can
use gdb and you can include debugging type fprintfs() that will
help you tell if your function is doing the right thing.

However, you MUST disable or delete any debugging printfs
before submitting to codelab.  If you leave them in they will
produce extraneous output that confuses codelab's correctness
evaluator!!