ffgtk software package provides transitional dummy package - ffgtk to roger, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ffgtk
ffgtk is installed in your system.
Make ensure the ffgtk package were installed using the commands given below,
$ sudo dpkg-query -l | grep ffgtk *
You will get with ffgtk package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Old Libraries |
| Package | ffgtk |
| Version | 1.8.14-2+b2 |
| Description | transitional dummy package - ffgtk to roger |
| Sub Section | Oldlibs |