1 #include <stdarg.h> 2 fdouble(double one,...)3void fdouble (double one, ...) 4 { 5 double value; 6 va_list ap; 7 8 va_start (ap, one); 9 value = va_arg (ap, double); 10 va_end (ap); 11 12 if (one != 1.0 || value != 2.0) 13 abort (); 14 } 15 main()16int main () 17 { 18 fdouble (1.0, 2.0); 19 exit (0); 20 } 21