When I said... > should be derivable by anyone who knows how programs work. That ought to have been a clue. Knowledge of the function signature of the entry p

When I said... > should be derivable by anyone who knows how programs work. That ought to have been a clue. Knowledge of the function signature of the entry point of a program ought to indicate why the signature is the way it is for your favourite programming language. Although now, judging by the replies. Seems like that's a bar a little too high. /sigh, yep I think I should retire soon.