avahi-resolve --version (return code: 0)
avahi-resolve 0.6.32-rc
avahi-resolve --help (return code: 0)
avahi-resolve [options] -n <host name ...>
avahi-resolve [options] -a <address ... >
-h --help Show this help
-V --version Show version
-n --name Resolve host name
-a --address Resolve address
-v --verbose Enable verbose mode
-6 Lookup IPv6 address
-4 Lookup IPv4 address