- [ GusLib ] þþ[1/1] GusLib is a public domain/royalty free programming library for the Gravis UltraSound sound card. It's purpose is to allow programmers easy access to the basic functions of the GUS. The library was mainly written for assembly language use but can be easily used with C,C++,Pascal, and other languages. .-=þ[álastärSound BBS +34-58-293583]þ=-