int f(int * arr) equals int(int arr[]), *(ar+2) equals ar[2]

#include <stdio.h>
#define SIZE 10
//int f(int * arr) equals int(int arr[]), *(ar+2) equals ar[2]
void pr_arr(int *,int);
void pr_arr2(int [],int);
int main()
{
    int arr[SIZE] = {1,2,3,4,5,6,7,8,9,10};
    pr_arr(arr,SIZE);
    pr_arr2(arr,SIZE);

    return 0;
}

void pr_arr(int *a,int s)
{
    int i;
    for(i=0;i<s;i++)
        printf("%d\t",*(a+i));//equals next line
        //printf("%d\t",a[i]);
    printf("it was pr_arr1\n\n");
}
void pr_arr2(int a[] ,int s)
{
    int i;
    for(i=0;i<s;i++)
        printf("%d\t",*(a+i));//equals next line
        //printf("%d\t",a[i]);
    printf("it was pr_arr2\n\n");
}