libavahi-common3 - 0.7-4+deb10u2 main

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.
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This package contains the Avahi common library, which is a set of common
functions used by many of Avahis components and client applications.