XmCvtByteStreamToXmString(3) on Linux
The text 0dd1ad9060dd, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
A compound string function that converts from a compound string in Byte Stream format to a compound string "XmCvtByteStreamToXmString" "compound string functions" "XmCvtByteStreamToXmString"