More like a hybrid to get to a safe C, with constructors, destrcutors, member functions and such. Fil-C is similar, but less promising than this. But Fil-C is

More like a hybrid to get to a safe C, with constructors, destrcutors, member functions and such. Fil-C is similar, but less promising than this. But Fil-C is far more advanced than TrapC. There several more such attempts also, not just those two