libunistring-dev software package provides Unicode string library for C - development files, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libunistring-dev
libunistring-dev is installed in your system.
Make ensure the libunistring-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libunistring-dev *
You will get with libunistring-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libunistring-dev |
| Version | 0.9.3-5ubuntu3 |
| Description | Unicode string library for C - development files |
| Sub Section | libdevel |