C Pointers: What are they and how do you use them?
What is a pointer?
- If you have a variable ‘var’ in your program, ‘&var’ will give you the address in memory of the variable ‘var’.
- Pointer variables are special variables that are used to store addresses rather than values.
- A pointer is a variable that stores the memory address of another variable as its value.
- A pointer variable points to a data type (like
int) of the same type, and is created with the
*operator. The address of the variable you're…