XmVaCreateTextField(3) on Linux
The text eb88a0d0bef0, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
A TextField widget convenience creation functions. "XmVaCreateToggleTextField" "XmVaCreateManagedTextField" "creation functions" "XmVaCreateTextField"