libcwidget3 software package provides high-level terminal interface library for C++ (runtime files), you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libcwidget3
libcwidget3 is installed in your system.
Make ensure the libcwidget3 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libcwidget3 *
You will get with libcwidget3 package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Libraries |
| Package | libcwidget3 |
| Version | 0.5.17-2 |
| Description | high-level terminal interface library for C++ (runtime files) |
| Sub Section | libs |