difference between int *a[3] and int (*a)[3]? [duplicate]

Question

I want to know what is a difference between :

int *a[3]; 

And

int (*a)[3]; 

Thanks a lot , good luck .

Answer 1

int *a[3] => a is array of int *

(a+1) will point to next integer by with the increment of integer size.

int (*a)[3] => a pointer to array of 3 integers

(a+1) will point to next array of 3 integers, with the increment of (3 * integer size)

to find details read more about pointer to arrays