#include <malloc.h>
#include <stdio.h>

int main()
{
  struct mallinfo mli = mallinfo();

  for (int i = 0; i < 1; i++)
  {
    (void)malloc(57);
  }

  struct mallinfo mli2 = mallinfo();

  printf("%zu %zu %zu\n", mli.arena, mli.uordblks, mli.fordblks);

  printf("%zu %zu %zu\n", mli2.arena, mli2.uordblks, mli2.fordblks);
}