Bill Long wrote:

I'm guessing that you mean bind(c) interfaces that are limited by a new LANG="C" specifier to be for functions actually written in C. Yes.

I think the original option 3 is better than class(*). Yes. I was stating that it behaves, in terms of argument matching and semantics, as if the dummy were CLASS(*), even though it is actually TYPE(C_VOID).

Aleks