#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main ( void )
{
    int *ptr;
    int array[] = {1,2,3,4,5,6,7,8,9, NULL};

    for (ptr = array; *ptr != NULL; ptr++)

    printf("%d\t", *ptr);
    printf("\n");
    printf("done\n");
    system("pause");
    return 0 ;
}