Spiral printing of a two dimensional array

Input:  
        1    2   3   4  
        5    6   7   8  
        9   10  11  12  
        13  14  15  16  
Output:   
1 2 3 4 8 12 16 15 14 13 9 5 6 7 11 10   
  
  
Input:  
        1   2   3   4  5   6  
        7   8   9  10  11  12  
        13  14  15 16  17  18  
Output:   
1 2 3 4 5 6 12 18 17 16 15 14 13 7 8 9 10 11

#include <stdio.h>  
  
void spiralPrint(int m, int n, int a\[\]\[n\])  
{  
  
    int i,  k = 0, l = 0;  
  
    m--, n--;  
  
    /\*  
        k - min row  
        m - max row  
        l - min column  
        n - max column  
  
        i - iterator  
    \*/  
  
    while(k <= m && l <= n){  
  
        for(i = l; i <= n; ++i) {  
            printf("%d ", a\[k\]\[i\]);  
        }  
  
        k++;  
  
        for(i = k; i <= m; ++i) {  
            printf("%d ", a\[i\]\[n\]);  
        }  
  
        n--;  
  
        if(m >= k) {  
  
            for(i = n; i >= l; --i) {  
                printf("%d ", a\[m\]\[i\]);  
            }  
  
            m--;  
        }  
  
        for(i = m; i >= k; --i) {  
            printf("%d ", a\[i\]\[l\]);  
        }  
  
        l++;  
    }  
  
  
    printf("\\n");  
}  
  
int main()  
{  
    printf("1,  2,  3,  4,  5,  6\\n");  
    printf("7,  8,  9,  10, 11, 12\\n");  
    printf("13, 14, 15, 16, 17, 18\\n");  
    printf("19, 20, 21, 22, 23, 24\\n");  
    printf("25, 26, 27, 28, 29, 30\\n");  
    printf("35, 36, 37, 38, 39, 40\\n\\n");  
  
    int a\[6\]\[6\] = { {1,  2,  3,  4,  5,  6},  
                    {7,  8,  9,  10, 11, 12},  
                    {13, 14, 15, 16, 17, 18},  
                    {19, 20, 21, 22, 23, 24},  
                    {25, 26, 27, 28, 29, 30},  
                    {35, 36, 37, 38, 39, 40}  
                  };  
  
    spiralPrint(6, 6, a);  
}