#include <stdio.h>

int main ()
{
    int A[10];
    int *B;
    int i;

    printf ("Before first for-loop\n");

    for (i=0; i<10; i++) {
        A[i] = 1;
    }

    printf ("After first for-loop\n");

    for (i=0; i<10; i++) {
        B[i] = A[i];
    }

    printf ("After second for-loop\n");

}