*(ptr + i)

Question

int a[5] = {22, 33, 44, 55, 66};
int *ptr = NULL;
int i;

ptr = a;
for (i = 0; i < 5; i++) {
printf("%d ", *(ptr + i));
// why it writes like *(ptr + i) while i is an integer?

Answer 1

This might help as an intro to pointer arithmetic 👇

https://codeforwin.org/2017/10/c-pointer-arithmetic.html