You have to join the 5 parts of libg++_v1.40-920129.LZH file includes on the 3
disks in order, part libg++.LZH.sf0,1 on disk C, libg++.LZH.sf2,3 disk B and
libg++.LZH.sf4 on disk A.

ex: join libg++.LZH.sf0 libg++.LZH.sf1 libg++.LZH.sf2 libg++.LZH.sf3
    libg++.LZH.sf4 as i.lzh