freesum += (size_t) STACK_POINTER() - __malloc_margin - (size_t) __brkval;
printf("SP: %04x, __brkval: %04x, Total free: %04u\n",
freesum += (size_t) STACK_POINTER() - __malloc_margin - (size_t) __brkval;
printf("SP: %04x, __brkval: %04x, Total free: %04u\n",