double pointers in C programming

Question

I have a statement which I need help with:

int  i=2, j=5, *p = &j, *q = &i;

and this is the question..

&i == p    //is this true?
7 * *q / *p + 3    //is this legal?

I am pretty sure the second statement is illegal but I don't know why? can anyone please explain me this.

Answer 1

Second statement is equivalent to

( (7 * *q) / *p ) + 3  

In sub-expression (7 * *q) / *p , first * (from left to right) is for multiplication and second is for dereference .