Initializing pointers in C

Question

I see two option to assign a pointer

1.

int p=5;
int *r=&p

2.

int p
int *r;
r=&p;

Why do they use in 1 with asterisk and in two without?

Answer 1

You should read this:

int *r [...]

as:

(int *) r [...]

The type of r is int *. If you look at it that way, you'll see that both versions are identical.