Install libcommoncpp2-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libcommoncpp2-doc
Description:
Documentation files for Common C++ "2"
Common C++ "2" is a GNU package which offers portable "abstraction" of system services such as threads, networks, and sockets. Common C++ also offers individual frameworks generally useful to developing portable C++ applications including a object persistence engine, math libraries, threading, sockets, etc. Common C++ is small, and highly portable. Common C++ will support most Unix operating systems as well as Win32, in addition to GNU/Linux. . This package contains the library development documentation.
Homepage: http://www.gnu.org/software/commoncpp/
Version: 1.8.1-6.1
Section: universe/doc