From our study of C++, it should be clear that, unlike class encapsulation and single inheritance, which were essentially free in C, polymorphism in C involves some complexity and overhead. In the ...

My memory on this is a little sketchy, but I think that when you make a call on a virtual function, the virtual function table must be consulted before method invocation, whereas non-virtual functions ...

Separating interface from implementation has many practical benefits. Here’s a simple way to do just that, in ANSI-standard C code. How do you organize medium-sized or larger C programs? Few C ...