/usr/share/man/man3/ber_int_t.3.gz is in libldap2-dev 2.4.42+dfsg-2ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man3/lber-types.3.gz
/usr/share/man/man3/lber-types.3.gz