zic --version (return code: 0)
zic (Ubuntu GLIBC 2.23-0ubuntu5) 2.23
zic --help (return code: 0)
zic: usage is zic [ --version ] [ --help ] [ -v ] \
[ -l localtime ] [ -p posixrules ] [ -d directory ] \
[ -L leapseconds ] [ filename ... ]
Report bugs to <https://bugs.launchpad.net/ubuntu/+source/glibc/+bugs>.