#include <stdio.h>

void lame(int *ptr)
{
        printf("%d\n", *(ptr+6));
        *(ptr+6) = 28;
}

void main(void)
{
        int arrayX[3][3] = {{10, 11, 12}, {13, 14, 15}, {16, 17, 18}};
        int *ptr;

        printf("%d\n", arrayX[2][0]);
        ptr = *arrayX;
        lame(ptr);
        printf("after lame: %d\n", arrayX[2][0]);
}