Is there a definitive referance or text book for the variant of C often referred to as: Unix Version 7 C. (hopefully still in print since I would be needing many copies) Jim Hinds jim_h1 at veritoo.uucp uhccux!aloha1!veritoo!jim_h1 Verifone, Inc 100 Kahelu Ave Mililani, HI 96789 (808) 625-5762