DOS 3.1 internal - SHARE.EXE ??

        Entry:
          AX = 5D04h
          DS:DX -> buffer (see AX=5D0Ah), only fields at offset 12h, 14h used
          ???
        Return:
          ???
        Note: error unless SHARE is loaded (calls [ListofLists+4Ah])
              (see AH=52h)