errno software package provides search POSIX error numbers, error names, or error descriptions, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install errno
errno is installed in your system.
Make ensure the errno package were installed using the commands given below,
$ sudo dpkg-query -l | grep errno *
You will get with errno package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Development |
| Package | errno |
| Version | 1.3-0ubuntu1 |
| Description | search POSIX error numbers, error names, or error descriptions |
| Sub Section | devel |