Install cl-usocket by entering the following commands in the terminal:
sudo apt update sudo apt install cl-usocket
Description:
Common Lisp socket library
cl-usocket provides a library for Common Lisp programs to use TCP sockets. It is the successor to trivial-sockets. . To run the test suite you need the recommended cl-rt package.
Homepage: http://common-lisp.net/project/usocket/
Version: 0.7.0.1-1
Section: universe/devel