1 int var = 0; 2 g()3 g () 4 { 5 var = 1; 6 } 7 f()8 f () 9 { 10 int f2 = 0; 11 12 if (f2 == 0) 13 ; 14 15 g (); 16 } 17 main()18 main () 19 { 20 f (); 21 if (var != 1) 22 abort (); 23 exit (0); 24 } 25