Pointer arithmetic

Array of pointers

Pointer to pointer

Passing pointers to functions

Return pointer from functions

There are four arithmetic operators that can be used in pointers: ++, --, +, -

You can define arrays to hold a number of pointers.

C allows you to have pointer on a pointer and so on.

Passing an argument by reference

C allows a function to return a pointer to the local variable, static variable, and dynamically allocated memory as well.