recursive_session_key_scan(3) on Linux
The text c30fdb91ff1d, as Arch Linux 2026-11-01, Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster) shipped it. The page shows this text now.
apply a function to all keys in a keyring tree