/usr/share/man/man1/runsocks.1.gz is in socks4-clients 4.3.beta2-18.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/../man7/undocumented.7.gz
/usr/share/man/man1/../man7/undocumented.7.gz