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      1 extern int printf (const char *, ...);
      2 
      3 extern int library_func1 (void);
      4 extern int library_func2 (void);
      5 extern int global;
      6 
      7 int
      8 main (void)
      9 {
     10   int res = -1;
     11 
     12   res += library_func1 ();
     13   res += library_func2 ();
     14 
     15   switch (res)
     16     {
     17     case 0:
     18       if (global)
     19 	printf ("ifunc working correctly\n");
     20       else
     21 	{
     22 	  printf ("wrong value returned by library_func2\n");
     23 	  res = -1;
     24 	}
     25       break;
     26 
     27     case 1:
     28       if (global)
     29 	printf ("wrong value returned by library_func2\n");
     30       else
     31 	{
     32 	  printf ("ifunc working correctly\n");
     33 	  res = 0;
     34 	}
     35       break;
     36 
     37     case 4:
     38       printf ("non-ifunc testcase\n");
     39       break;
     40 
     41     default:
     42       printf ("ifunc function not evaluated at run-time, res = %x\n", res);
     43       break;
     44     }
     45   return res;
     46 }
     47