/usr/lib/aplus-fsf/libdap.so.0 is in aplus-fsf 4.22.1-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/aplus-fsf/libdap.so.0.0.0
/usr/lib/aplus-fsf/libdap.so.0.0.0