Man pages matching name xmlistreplaceitemsposunselected in section 3:

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