1de4a1d01951937632098a6cda45859afa587a06fsewardj 2de4a1d01951937632098a6cda45859afa587a06fsewardj#include <stdio.h> 3de4a1d01951937632098a6cda45859afa587a06fsewardj#include <stdlib.h> 4de4a1d01951937632098a6cda45859afa587a06fsewardj 5de4a1d01951937632098a6cda45859afa587a06fsewardjint main ( void ) 6de4a1d01951937632098a6cda45859afa587a06fsewardj{ 7de4a1d01951937632098a6cda45859afa587a06fsewardj char* aa = malloc(8); 8de4a1d01951937632098a6cda45859afa587a06fsewardj aa[-1] = 17; 9de4a1d01951937632098a6cda45859afa587a06fsewardj if (aa[-1] == 17) 10de4a1d01951937632098a6cda45859afa587a06fsewardj printf("17\n"); else printf("not 17\n"); 11de4a1d01951937632098a6cda45859afa587a06fsewardj return 0; 12de4a1d01951937632098a6cda45859afa587a06fsewardj} 13