Subject: Using fscanf() in functions

In msg.007, Dr. Westall sez:

> (2) a common malfunction of the mental model
> when dealing with functions is thinking that functions
> must read something using scanf() even when
> the instructions don't say to do that.
>

Please keep that in mind in the current codelab assignment!

Only one of the functions specifies that you should read
something from the standard input!  Using scanf()/fscanf()
in any other function is a fatal flaw.

The other functions must manipulate data that HAS ALREADY
BEEN read in and already resides in the array that is
passed as parameter to the function.

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In case you lose/need to review old help messages they
live in the msgs directory --- I had previously failed
to unprotect them but I think that is corrected now.