host software package provides Transitional package, 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 host
host is installed in your system.
Make ensure the host package were installed using the commands given below,
$ sudo dpkg-query -l | grep host *
You will get with host package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Old Libraries |
| Package | host |
| Version | 1:9.10.3.dfsg.P4-10.1 |
| Description | Transitional package |
| Sub Section | Oldlibs |