XmVaCreateManagedPushButton(3) on Linux
The text e7c0a0f9d4f2, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
A PushButton widget convenience creation functions. "XmVaCreateTogglePushButton" "XmVaCreateManagedPushButton" "creation functions" "XmVaCreatePushButton"