keyctl_unlink(3) on Linux
The text 771417c27905, as Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
Link a key to a keyring keyctl_unlink - Unlink a key from a keyring
The text 771417c27905, as Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
Link a key to a keyring keyctl_unlink - Unlink a key from a keyring