1
2#include <stdio.h>
3#include <stdlib.h>
4
5void really ( void );
6
7int main ( void )
8{
9   really();
10   return 0;
11}
12
13void really ( void )
14{
15   int i;
16   char* p = malloc(10);
17   for (i = 0; i < 10; i++)
18      p[i] = 'z';
19   free(p);
20   p[1] = 'z';
21   p = malloc(10);
22   p[2] = 'z';
23   p[-1] = 'z';
24}
25