0 and pointers.( Re: Abandon NULL for (0))

[Dave Decot]

> The point is not that more arguments are not useful, nay, important; the
> point is that arbitrarily changing the specs for signal handlers was a
> terrible mistake and very unportable.  Defining a new interface is the
> right approach.

Since the variadic functions in questions are the signal handlers, designing
a new interface that permits preserving old behavior seems very difficult.

Dave