caph_rights_limit(3) on FreeBSD
The text 626b50e7a7fa, as FreeBSD 14.2-RELEASE, FreeBSD 14.1-RELEASE, FreeBSD 14.0-RELEASE, FreeBSD 13.5-RELEASE, FreeBSD 13.4-RELEASE, FreeBSD 13.3-RELEASE shipped it.
set of the capsicum helpers, part of the libcapsicum