Structures (or “structs” in C) allow you to group several related variables and treat them as one unit. They are a mechanism for extending the type system of the C language by introducing user-defined ...

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 ...

One major difference between a struct and a class is that unlike a class, a struct doesn’t support inheritance — you cannot have a struct that extends another class or a struct.