loop-7.c

来自「gcc3.2.1源代码」· C语言 代码 · 共 20 行

void foo (unsigned int n)
{
  int i, j = -1;

  for (i = 0; i < 10 && j < 0; i++)
    {
      if ((1UL << i) == n)
	j = i;
    }

  if (j < 0)
    abort ();
}

main()
{
  foo (64);
  exit (0);
}