The libffi Home Page - The Foreign Function Interface is used to call library functions. - http://sources.redhat.com/libffi/
Opop.nols.com - David Allen programming page - http://opop.nols.com/
Stubby - Stubby is a tool that enables programmers and packagers to add transparent support for optional run-time dynamic linking of shared libraries. This allows for the creation of applications that can gain additional functionality if a - http://onegeek.org/~tom/software/stubby/