A lot of people write C in C++ mode just for convenience, you get things like const, but it's not the same as writing actual standards compliant C code. If you

A lot of people write C in C++ mode just for convenience, you get things like const, but it's not the same as writing actual standards compliant C code. If you need portable C code, forget about all that stuff. Forget about a lot of things since some compilers are truly atrocious.