Why do I get the error “error: unknown type name 'virtual'” when trying to compile this code?

Question

Code:

struct IRenderingEngine {
    virtual void Initialize(int width, int height) = 0;
    virtual void Render() const = 0;
    virtual void UpdateAnimation(flo         


        

Answer 1

The header is not the right one to use in a C++ program. When I replaced it with the c++ version of C's stdio library then your code compiled for me.