... #define INT32 int #define DATAGROUP unsigned #define DSM_FILENAME "TWAIN_32.DLL" #define DSM_ENTRYPOINT "DSM_Entry" #define IsValidHandle(h) (h!=NULL) #define HUGEWRITE(fh, pb, bc) ((INT32)_lwrite(fh, pb, bc)) #define FMEMSET(p, v, n) memset(p, v, n); #define FMEMCPY(p, q, n) memcpy(p, q, n); ...