pointers - What is the difference between the two statements in c?

Question

hope you are doing good.

Now coming to the question, How does

int *p1 = p2;

differ from

int *p1 = &p2;

any answer would be appreciated.

question from:https://stackoverflow.com/questions/65868952/what-is-the-difference-between-the-two-statements-in-c

Answer 1

The first assignment sets p1 to whatever value is in p2.

The second assignment assigns p1 to the memory address of p2.