* and &

                                         Difference Between Pass by Reference and Address

Let's we have two variable

one *p  (::) another   is &p \_

now see the difference 

just kidding.................................................

1. *p can be redirected means it can point to different address  but &p can't be redirected...

2. *p can directly access values using '.' or '->' operator but &p can't do it again man "shit happen with &".

3. *p can be initialized as NULL but f***k &p can't ......

Happy Reading.........................