1  int test_bit(int nr, void *addr)
       2  {
       3    int *a = (int *)addr;
       4    int mask;
       5    a += nr;
       6    mask = 1 << nr;
       7    return mask & *a;
       8  }
       9  struct {
      10      struct {
      11  	int disabled;
      12      } *data[1];
      13  } trace;
      14  struct {
      15      unsigned bits[1];
      16  } cpumask;
      17  void inc(int *);
      18  void dec(int *);
      19  int foo(void)
      20  {
      21    int cpu;
      22    for (cpu = 0; cpu < 1; cpu++) {
      23        if (test_bit(cpu, cpumask.bits))
      24  	inc(&trace.data[cpu]->disabled);
      25        if (!test_bit(cpu, cpumask.bits))
      26  	dec(&trace.data[cpu]->disabled);
      27    }
      28  }