cr_canseeothergids(9) on FreeBSD
The text 1522906b4693, 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.
determine if subjects may see entities in a disjoint group set