> A comma would be fine too, because a declaration can contain a comma-separated list of things to declare. int foo(double), bar(int, int); is valid C, ap

> A comma would be fine too, because a declaration can contain a comma-separated list of things to declare. int foo(double), bar(int, int); is valid C, apparently. Which makes sense, now that I think of it, but I'd rather never see it in any source code.