36.1. Adding a built-in function

In the rare cases when you really need to modify CLISP internals and add a truly built-in function, you should read the CLISP sources for inspiration and enlightenment, choose a file where your brand-new built-in function should go to, and then ...

Warning

Be very careful with the GC-unsafe functions! Always remember about GC-safety!

These instructions are intentionally terse - you are encouraged to use modules and/or FFI instead of adding built-ins directly.


These notes document CLISP version 2.49.93+Last modified: 2018-02-19