cz -f -q lzwcom
     as -zap lzwcom
     cz -f -q lzwunc
     as -zap lzwunc
     cz -f -q commlzw
     as -zap commlzw
     ln lzwcom.o commlzw.o c.lib
     ln lzwunc.o commlzw.o c.lib