需要注意二维数组的传参。
1.

/*计算二维数组鞍点的下标*/
void FindSaddlePoint(int **arr, int ROW, int COL, int *row, int *col)
{
    int i = 0;
    int j = 0;
    int ROWMAX = 0;
    if(arr == NULL)return;/*检查数组*/
    for(i=0; i<ROW; i++)
    {
        for(j=0; j<COL; j++)
        {
            printf("%d ", arr[i][j]);/*打印二维数组*/
        }
        printf("\n");
    }
    for(i=0; i<ROW; i++)
    {
        for(j=0; j<COL; j++)
        {
            if(arr[i][j] >= ROWMAX)/*找出该行的最大数ROWMAX*/
            {
                ROWMAX = arr[i][j];
                *row = i;
                *col = j; /*保存行列*/
            }
        }
        printf("ROWMAX:%d\n", ROWMAX);
        for(j=0; j<ROW; j++)/*检查ROWMAX是否是该列的最小值*/
        {
            if(arr[j][*col] < ROWMAX) break;/*存在比ROWMAX还小的就跳出循环*/
            if(j == ROW-1) printf("%d, %d\n", *row, *col);/*确定ROWMAX为该列最小值*/
        }
    }
}
void test06(void)
{
    int a[3][3] = {
        {1, 2, 3},
        {4, 5, 6},
        {7, 8, 9}
    };
    int *b[3];
    int i = 0;
    int j = 0;
    int row = 0;
    int col = 0;
    int ROW = sizeof(a)/sizeof(a[0]);
    int COL = sizeof(a[0])/sizeof(a[0][0]);
    printf("ROW:%d, COL:%d\n", ROW, COL);

    b[0] = a[0];
    b[1] = a[1];
    b[2] = a[2];
//    scanf("%d %d %d\n"\
//          "%d %d %d\n"\
//          "%d %d %d"
//          ,&a[0][0], &a[0][1], &a[0][2]
//          ,&a[1][0], &a[1][1], &a[1][2]
//          ,&a[2][0], &a[2][1], &a[2][2]
//          );

    FindSaddlePoint(b, 3, 3, &row, &col);
}

//如此定义函数
void FindSaddlePoint(int (*arr)[3], int ROW, int COL, int *row, int *col)
//传递参数
FindSaddlePoint(a, 3, 3, &row, &col);