1  #include <stdarg.h>
       2  
       3  typedef unsigned long L;
       4  f (L p0, L p1, L p2, L p3, L p4, L p5, L p6, L p7, L p8, ...)
       5  {
       6    va_list select;
       7  
       8    va_start (select, p8);
       9  
      10    if (va_arg (select, L) != 10)
      11      abort ();
      12    if (va_arg (select, L) != 11)
      13      abort ();
      14    if (va_arg (select, L) != 0)
      15      abort ();
      16  
      17    va_end (select);
      18  }
      19  
      20  main ()
      21  {
      22    f (1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 10L, 11L, 0L);
      23    exit (0);
      24  }