cxref software package provides Generates LaTeX and HTML documentation for C programs, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cxref
cxref is installed in your system.
Make ensure the cxref package were installed using the commands given below,
$ sudo dpkg-query -l | grep cxref *
You will get with cxref package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Development |
| Package | cxref |
| Version | 1.60E-002 |
| Description | Generates LaTeX and HTML documentation for C programs |
| Sub Section | Devel |