?Done with 2nd array

#include <stdio.h>
#include <math.h>
#define SIZE 9

//DONE WITH SECONDD ARRAY! NOT ELEGANT AT ALL

void pop_arr(int s,int *a);
void small_big_arr(int s,int *a);

int main()
{
    int arr[SIZE]= {0,1,2,3,4,5,6,7,8};
    int arr2[SIZE];
    //pr_arr(SIZE,arr);
    sort_arr(SIZE,arr,arr2);
    pr_arr(SIZE,arr2);

    return 0;

}
void pop_arr(int s,int *a)
{
    int i,j;
    for(i=0;i<s;i++)
    {
            a[i]= rand()%10;

    }
}
void pr_arr(int s,int *a)
{
    int i,j;
    for(i=0;i<s;i++)
    {
        printf("%d\t",a[i]);

    }
    printf("\n\n");
}
void sort_arr(int s,int *a,int *a2)
{
    int i,j;
    for(i=0;i<s;i++)
    {
        a2[i]= (i<s/2)? a[s-2*(i+1)]: a[2*(i-s/2)];
        //a2[i]= (i<s/2)? a[s-2*i-2]: a[(i-s/2)*2];
    }

}