1  #include <stdarg.h>
       2  
       3  void foo(va_list v)
       4  {
       5      unsigned long long x = va_arg (v, unsigned long long);
       6      if (x != 16LL)
       7  	abort();
       8  }
       9  
      10  void bar(char c, char d, ...)
      11  {
      12      va_list v;
      13      va_start(v, d);
      14      foo(v);
      15      va_end(v);
      16  }
      17  
      18  int main(void)
      19  {
      20      bar(0, 0, 16LL);
      21      exit(0);
      22  }