In our first part on pointers, we covered the basics and common pitfalls of pointers in C. If we had to break it down into one sentence, the main principle of pointers is that they are simply data … ...

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 ...

C++ pointers earned a bad reputation for causing memory leaks, but new smart pointers release memory as it stops being referenced.

Just remember casting pointer to int is a bad idea. When someone port the code to 64bit the pointer will be 64bit but int usually stay at 32bit.