Rayiner, In case you don't read Planet Lisp, here's a recent post that mentions a tool to generate UFFI bindings from GCCXML output: http://www.cyrusharmon.org/cl/blog/display/24 -- Luís Oliveira http://student.dei.uc.pt/~lmoliv/ Equipa Portuguesa do Translation Project http://www2.iro.umontreal.ca/~pinard/po/registry.cgi?team=pt