scope.cpp

来自「C++ sample code, for the book: C++ blac」· C++ 代码 · 共 21 行

#include <iostream>
using namespace std;

int adder(int a, int b);

int main()
{
    cout << adder(1, 2);      
    //cout << sum;			//can't access...

    return 0;
}

int adder(int a, int b)
{
    int sum;

    sum = a + b;
    return sum;
}