You could do it in C if you have a religious anti-C++ agenda but that would be like cutting off your nose to spite your face, and you'll end up in a horrible mi

You could do it in C if you have a religious anti-C++ agenda but that would be like cutting off your nose to spite your face, and you'll end up in a horrible mish-mash of macros and generated code all over the place for a project with any level of complexity. Have a look at Tarsnap's source code.