Install libfastjson-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libfastjson-dev
Description:
fast json library for C - development files
The libfastjson library is a fork from json-c with a focus on performance. . This package contains the development files.
Homepage: https://github.com/rsyslog/libfastjson
Version: 0.99.8-2
Section: libdevel