libfastjson4 software package provides fast json library for C, you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libfastjson4
libfastjson4 is installed in your system.
Make ensure the libfastjson4 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libfastjson4 *
You will get with libfastjson4 package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Libraries |
| Package | libfastjson4 |
| Version | 0.99.4-1 |
| Description | fast json library for C |
| Sub Section | libs |