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Another thing, which I admit is a foible, is that I prefer to pass a data structure and use only one parm. Much easier for maintenance later on.
Do you also pass the length of the data structure, and make certain that the called program never exceeds that length? The only problem I have with that is that you then have to rely on the caller to pass the correct length. As soon as someone who doesn't understand passes the wrong length, you run into problems.
I usually find it much easier to maintain if each parm is passed separately, since I can then just check %parms to see if they were passed. Now I don't have to rely on the caller.
So, why do you think data structures are easier to maintain?
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