order.cxx

#include <stdio.h>

int bar(long p) {
    return 4;
}

int foo() {
    return bar(0);
}

int bar(int p) {
    return 2;
}

int main() {
    // prints 4 currently
    // but if foo is after all bar functions, then it prints 2
    printf("%d\n", foo());
}