XmDeactivateProtocol(3) on Linux
The text deea0d10b468, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
A VendorShell function that deactivates a protocol without removing it "XmDeactivateProtocol" "protocols" "VendorShell functions" "XmDeactivateProtocol"