archive_entry_set_gid(3) on FreeBSD
The text 43270c8df214, as FreeBSD 15.1-RELEASE, FreeBSD 15.0-RELEASE, FreeBSD 14.5-RELEASE, FreeBSD 14.4-RELEASE, FreeBSD 14.3-RELEASE, FreeBSD 14.2-RELEASE, FreeBSD 13.5-RELEASE shipped it.
functions for manipulating ownership and permissions in archive entry descriptions