Pointers and Memory
What is a pointer?
A pointer is a variable that stores the hexadecimal address of the variable it is pointing to.
Declaring Pointers
A pointer variable is declared like so:
type* pntr;type *pntr;
Accessing Memory Address
A memory address of a variable is obtained using the reference operator (&). Example: &var.
Dereferencing Pointers
A pointer is dereferenced using the dereference operator (*). Example: *pntr.
Incrementing and Decrementing Pointers
Pointers can be incremented and decremented using the + and - arithmetic operators.
Accessing Arrays
Arrays can be accessed by using a pointer to the first element and incrementing and decrementing as necessary.
