I'd visit a couple of the free source code sites, many times you can find something that will kick start your efforts.
http://www.codeproject.com/
http://www.cplusplus.com/
http://www.cprogramming.com/
http://www.programmersheaven.com/
http://www.codeproject.com/
http://www.cplusplus.com/
http://www.cprogramming.com/
http://www.programmersheaven.com/