1 2 int x; 3 int y; 4 int z; 5 int w; 6 7 8 main()9 int main () 10 { 11 12 #ifdef usestubs 13 set_debug_traps(); 14 breakpoint(); 15 #endif 16 17 x = 14; 18 y = 3; 19 z = 2; 20 w = 2; 21 22 return 0; 23 24 } 25 26