/usr/share/man/man3/cap_copy_int.3.gz is in libcap-dev 1:2.25-1.2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man3/cap_copy_ext.3.gz
/usr/share/man/man3/cap_copy_ext.3.gz