c2hs software package provides C->Haskell Interface Generator, 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 c2hs
c2hs is installed in your system.
Make ensure the c2hs package were installed using the commands given below,
$ sudo dpkg-query -l | grep c2hs *
You will get with c2hs package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Haskell |
| Package | c2hs |
| Version | 0.17.2-1+b1 [s390x], 0.17.2-1 |
| Description | C->Haskell Interface Generator |
| Sub Section | Haskell |