Common ingredients include buttermilk, butter, flour, cocoa powder, and often either beets, or red food coloring. It is most popular in the Southern United States and is a traditional dessert at Christmas, though known in other regions.
C Function Definitions. A function definition specifies the name of the function, the types and number of parameters it expects to receive, and its return type. A function definition also includes a function body with the declarations of its local variables, and the statements that determine what the function does.
For example, in C++ a method is known as a member function. C++ also has the concept of virtual functions which are member functions that can be overridden in derived classes and allow for dynamic dispatch. Virtual functions. Virtual functions are the means by which a C++ class can achieve polymorphic behavior.