printing numbers of a matrix in spiral

#include<stdio.h>
void outer(int t,int n,int [n][n]);
int main()
{
    int n,k=0,t=0,i,j;
    printf("Enter order of matrix:");
    scanf("%d",&n);
    int arr[n][n];
    printf("Enter elements of array:\n");
    for(i=0;i<n;i++)
        for(j=0;j<n;j++)
            scanf("%d",&arr[i][j]);
    while(k<n/2)
    {
        outer(t,n,arr);
        t++;
        k++;
    }
    if(n%2!=0)
        printf("%d",arr[n/2][n/2]);
}
void outer(int t,int n,int arr[n][n])
{
    int i=t,j=t;
    for(;j<(n-t);j++)
        printf("%d  ",arr[i][j]);
    j--;
    i++;
    for(;i<(n-t);i++)
        printf("%d  ",arr[i][j]);
    i--;
    j--;
    for(;j>=t;j--)
        printf("%d  ",arr[i][j]);
    j++;
    i--;
    for(;i>=(t+1);i--)
        printf("%d  ",arr[i][j]);
    return;
}