1  #include <stdarg.h>
       2  
       3  #define VALUE 0x123456789abcdefLL
       4  #define AFTER 0x55
       5  
       6  void
       7  test (int n, ...)
       8  {
       9    va_list ap;
      10    int i;
      11  
      12    va_start (ap, n);
      13    for (i = 2; i <= n; i++)
      14      {
      15        if (va_arg (ap, int) != i)
      16  	abort ();
      17      }
      18  
      19    if (va_arg (ap, long long) != VALUE)
      20      abort ();
      21  
      22    if (va_arg (ap, int) != AFTER)
      23      abort ();
      24  
      25    va_end (ap);
      26  }
      27  
      28  int
      29  main ()
      30  {
      31    test (1, VALUE, AFTER);
      32    test (2, 2, VALUE, AFTER);
      33    test (3, 2, 3, VALUE, AFTER);
      34    test (4, 2, 3, 4, VALUE, AFTER);
      35    test (5, 2, 3, 4, 5, VALUE, AFTER);
      36    test (6, 2, 3, 4, 5, 6, VALUE, AFTER);
      37    test (7, 2, 3, 4, 5, 6, 7, VALUE, AFTER);
      38    test (8, 2, 3, 4, 5, 6, 7, 8, VALUE, AFTER);
      39    exit (0);
      40  }