/usr/share/man/man3/val_gethostbyname2.3.gz is in libval-dev 2.0-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man3/val_gethostbyname.3.gz
/usr/share/man/man3/val_gethostbyname.3.gz