Man pages matching name file::slurp::withinpolicy in section 3pm:

File::Slurp::WithinPolicy.3pm.en	debian 10 / libfile-policy-perl
File::Slurp::WithinPolicy.3pm.en	debian 11 / libfile-policy-perl
File::Slurp::WithinPolicy.3pm.en	debian 12 / libfile-policy-perl