1 extern int func(); 2 extern void func_up(); 3 main(int argc,char ** argv)4 int main(int argc, char **argv) { 5 int dummy; 6 func(); // Break here 7 func(); // Second 8 dummy = 1; // Dummy command 1 9 10 func_up(); // First func1 call 11 dummy = 2; // Dummy command 2 12 13 return 0; 14 } 15