Install libavahi-ui-gtk3-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libavahi-ui-gtk3-dev
Description:
Development headers for the Avahi GTK+ User interface library
Avahi is a fully LGPL framework for Multicast DNS Service Discovery. It allows programs to publish and discover services and hosts running on a local network with no specific configuration. For example you can plug into a network and instantly find printers to print to, files to look at and people to talk to. . This package contains the development headers for the GTK+ library of Avahi.
Homepage: http://avahi.org/
Version: 0.7-3.1ubuntu1
Section: libdevel