XmStringToXmStringTable(3) on Linux

The text 67f2067c878d, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it.

A convenience function that converts a single compound string to a table of compound strings "XmStringTableToXmString"