XmVaCreateManagedToggleButtonGadget(3) on Linux
The text c7a69f24c871, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
A ToggleButtonGadget widget convenience creation functions. "XmVaCreateToggleToggleButtonGadget" "XmVaCreateManagedToggleButtonGadget" "creation functions" "XmVaCreateToggleButtonGadget"