#include<stdio.h>
void main ()
{
        const int i=10;
        int *j;
        j = &i;

        printf("address of i is %p\n",&i);
        printf("j is %d\n",*j);

        (*j)++;

        printf("j is %d\n",*j);
        printf("address of j is %p\n",j);
        printf("i is %d\n",i);
}

address of i is 0xbf825ae8
j is 10
j is 11
address of j is 0xbf825ae8
i is 10