XmFontListEntryLoad(3) on Linux
The text da57ac12b437, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it.
A font list function that loads a font or creates a font set and creates an accompanying font list entry "XmFontListEntryLoad" "font list functions" "XmFontListEntryLoad"