In file included from /in/Compile/dlist_pre.cpp:2:
In file included from /in/Compile/dlist.h:78:
/in/dlist_impl.h:9:20: error: expected ';' after return statement
        return true
                   ^
                   ;
/in/dlist_impl.h:68:15: error: use of undeclared identifier 'NUll'
    if(first==NUll)
              ^
/in/dlist_impl.h:94:15: error: use of undeclared identifier 'NUll'
    if(first==NUll)
              ^
3 errors generated.
/in/Compile/Makefile:29: recipe for target 'buildDlistPretest' failed
make: *** [buildDlistPretest] Error 1