An example where a function pointer parameter is used to define the function’s own behavior can be found in the C standard library’s Quick Sort function, qsort(), which takes a compare ...

Some of these functions are fairly well known and can be found in C libraries or on the Internet. For example, it is easy to find sorting algorithms. Nevertheless, finding the most efficient ...

The advantage here is a more straightforward virtual call and a nicer syntax resembling C++ because the virtual draw () function, for example, can be invoked using the dot operator, like rect.draw ...