1void f(int);
2int do_layer3(int single)
3{
4  int stereo1;
5
6  if(single >= 0) /* stream is stereo, but force to mono */
7    stereo1 = 1;
8  else
9    stereo1 = 2;
10  f(single);
11
12  return stereo1;
13}
14
15extern void abort ();
16int main()
17{
18  if (do_layer3(-1) != 2)
19    abort ();
20  return 0;
21}
22
23void f(int i) {}
24