file2.cpp

来自「C++ sample code, for the book: C++ blac」· C++ 代码 · 共 16 行

#include <iostream>
using namespace std;

extern int value1;        // value1 defined in other file
static int value2 = 4;    // overrides external
int value3 = 5;           // external variable definition,
                          // no conflict with other value3

void second_file_values()
{
    cout << "In file two..." << endl;
    cout << "value1: " << value1 << endl;
    cout << "value2: " << value2 << endl;
    cout << "value3: " << value3 << endl;
}