Install libcpl-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libcpl-doc
Description:
API documentation for the Common Pipeline Library
The Common Pipeline Library (CPL) comprises a set of ISO-C libraries that provide a comprehensive, efficient and robust software toolkit. It forms a basis for the creation of automated astronomical data-reduction tasks (known as "pipelines"). . This package contains the API documentation for libcpl.
Homepage: https://www.eso.org/sci/software/cpl/
Version: 7.1-3
Section: universe/doc