Hi all, I'm already able to call Scheme from C but how can I call C from Scheme? Best regards, -- Paulo J. Matos : pocm(_at_)rnl.ist.utl.pt Instituto Superior Tecnico - Lisbon Software & Computer Engineering - A.I. - > http://www.rnl.ist.utl.pt/~pocm --- Yes, God had a deadline... So, He wrote it all in Lisp!