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

#define L       __LINE__

int
main()
{
        void    *a[3];
        int     r, i, *ip;

                printf("%02d, stack:%p\n", L, &r);

        for (i = 0; i < 3; i++) {
                a[i] = malloc(4096);
                ip = a[i];
                *ip = 123;
                printf("%02d, malloc:%02d=%p\n", L, i, a[i]);
        }
        for (i = 0; i < 3; i++) {
                printf("%02d, free:%02d\n", L, i);
                free(a[i]);
        }

        for (i = 0; i < 3; i++) {
                a[i] = malloc(4096);
                ip = a[i];
                *ip = 123;
                printf("%02d, malloc:%02d=%p\n", L, i, a[i]);
                printf("%02d, free:%02d\n", L, i);
                free(a[i]);
        }
}