1malloc(0) = 0x........ 2malloc(-1) = 0x........ 3calloc(0,1) = 0x........ 4calloc(0,-1) = 0x........ 5calloc(-1,-1) = 0x........ 6
1malloc(0) = 0x........ 2malloc(-1) = 0x........ 3calloc(0,1) = 0x........ 4calloc(0,-1) = 0x........ 5calloc(-1,-1) = 0x........ 6