Man pages matching name xmcvtxmstringtabletotextproperty in section 3:

XmCvtXmStringTableToTextProperty.3.en	debian 10 / libmotif-dev
XmCvtXmStringTableToTextProperty.3.en	debian 11 / libmotif-dev
XmCvtXmStringTableToTextProperty.3.en	debian 12 / libmotif-dev