列表 3. 写后检查 (postw.c)

#include <stdio.h>
#include <string.h>
/* Example of Post-Write */
int main(void)
{
   char *foo;
   foo = (char *) malloc(10);
   /* strcpy write beyond the allocated area */
   strcpy(foo,"12345678901");
   printf("%s\n",foo);
   free(foo);
   return(0);
}