cpp-6 software package provides GNU C preprocessor, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cpp-6
cpp-6 is installed in your system.
Make ensure the cpp-6 package were installed using the commands given below,
$ sudo dpkg-query -l | grep cpp-6 *
You will get with cpp-6 package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Interpreters |
| Package | cpp-6 |
| Version | 6.2.0-5ubuntu12 |
| Description | GNU C preprocessor |
| Sub Section | Interpreters |