/usr/share/man/man3/fprint_description.3.gz is in libsnmp-dev 5.7.2~dfsg-8.1ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man3/netsnmp_mib_api.3.gz
/usr/share/man/man3/netsnmp_mib_api.3.gz