Install cl-uffi by entering the following commands in the terminal:
sudo apt update sudo apt install cl-uffi
Description:
Universal Foreign Function Library for Common Lisp
UFFI provides a universal foreign function interface (FFI) for Common Lisp. UFFI supports AllegroCL, CMUCL, Lispworks, MCL, OpenMCL, SBCL, and SCL.
Homepage: http://uffi.b9.com/
Version: 2.1.2-1
Section: universe/devel