modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/nest-stdar-1.c (about)

     1  #include <stdarg.h>
     2  
     3  main ()
     4  {
     5    double f (int x, ...)
     6      {
     7        va_list args;
     8        double a;
     9  
    10        va_start (args, x);
    11        a = va_arg (args, double);
    12        va_end (args);
    13        return a;
    14      }
    15  
    16    if (f (1, (double)1) != 1.0)
    17      abort ();
    18    exit (0);
    19  }