Install cxref-doc by entering the following commands in the terminal:
sudo apt update sudo apt install cxref-doc
Description:
Generates LaTeX and HTML documentation for C programs
This package provides sample documentation produced by cxref from some of the cxref source itself.
Homepage: https://www.gedanken.org.uk/software/cxref/
Version: 1.6e-3
Section: universe/doc