int main() { init_arr(); copy_arr(); int res_a = foo_a(); int res_b = foo_b(); printf("result a:%d, result b:%d\n", res_a, res_b); return 0; }
int main(int argc,char **argv) { foo_a("caller is main!"); caller_bar(); return(0); }
void caller_bar(void) { foo_a("caller is bar!"); }