The Function Pointer Tutorials

The Function Pointer Tutorials

1. Introduction to Function Pointers

1.1 What is a Function Pointer ?

1.2 Introductory Example or How to Replace a Switch-Statement

2. The Syntax of C and C++ Function Pointers

2.1 Define a Function Pointer

2.2 Calling Convention

2.3 Assign an Address to a Function Pointer

2.4 Comparing Function Pointers

2.5 Calling a Function using a Function Pointer

2.6 How to Pass a Function Pointer as an Argument ?

2.7 How to Return a Function Pointer ?

2.8 How to Use Arrays of Function Pointers ?

3. How to Implement Callbacks in C and C++ ?

3.1 Introduction to the Concept of Callback Functions

3.2 How to Implement a Callback in C ?

3.3 Example Code of the Usage of qsort

3.4 How to Implement a Callback to a static C++ Member Function ?

3.5 How to Implement a Callback to a non-static C++ Member Function ?

Example A: Pointer to a class instance is passed as an additional argument

Example B: Pointer to a class instance is stored in a global variable

4. Functors to encapsulate C and C++ Function Pointers

4.1 What are Functors ?

4.2 How to Implement Functors ?

4.3 Example of How to Use Functors

5. Topic Specific Links

5.1 Introductions to Function Pointers

5.2 Callbacks and Functors

5.3 Misc