If you want to create something that you can link into C program, there are several options: Lisp systems like LispWorks can generate typical platform shared l

If you want to create something that you can link into C program, there are several options: Lisp systems like LispWorks can generate typical platform shared libraries. Many can easy embed C-code. Some compile to C, which than can be embedded. ECL is only one example. Others are mocl or the ECL-related systems.