又一个问题vtools

hardintc.c
c:\\program files\\numega\\vtoolsd\\examples\\c\\hardintc\\hardintc.c(91) : error C2065: \'DDK_VERSION\' : undeclared identifier
c:\\program files\\numega\\vtoolsd\\examples\\c\\hardintc\\hardintc.c(91) : error C2099: initializer is not a constant
c:\\program files\\numega\\vtoolsd\\examples\\c\\hardintc\\hardintc.c(91) : error C2078: too many initializers
c:\\program files\\numega\\vtoolsd\\examples\\c\\hardintc\\hardintc.c(91) : warning C4305: \'initializing\' : truncation from \'const unsigned int \' to \'unsigned char \'
c:\\program files\\numega\\vtoolsd\\examples\\c\\hardintc\\hardintc.c(91) : warning C4244: \'initializing\' : conversion from \'unsigned long \' to \'unsigned char \', possible loss of data
c:\\program files\\numega\\vtoolsd\\examples\\c\\hardintc\\hardintc.c(91) : warning C4244: \'initializing\' : conversion from \'unsigned long \' to \'unsigned char \', possible loss of data
c:\\program files\\numega\\vtoolsd\\examples\\c\\hardintc\\hardintc.c(91) : warning C4244: \'initializing\' : conversion from \'unsigned long \' to \'unsigned char \', possible loss of data
c:\\program files\\numega\\vtoolsd\\examples\\c\\hardintc\\hardintc.c(91) : warning C4244: \'initializing\' : conversion from \'unsigned long \' to \'unsigned char \', possible loss of data
Error executing cl.exe.

hardintc.obj - 3 error(s), 5 warning(s)
百思不得其解

DDK的路径你加入了吗？