That's a great link, thanks. I've just started reading http://sites.google.com/site/cinterfacesimplementations/ http://sites.google.com/site/cinterfacesimpleme

That's a great link, thanks. I've just started reading http://sites.google.com/site/cinterfacesimplementations/ http://sites.google.com/site/cinterfacesimplementations/, and it looks like SFL should provide a good companion piece at the very least. Great documentation.