c++ macro

 C++ Code 
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/*
version: 1.0
author: hellogiser
blog: http://www.cnblogs.com/hellogiser
date: 2014/9/25
*/

#include "stdafx.h"
#include <iostream>
using namespace std;

void test_macro()
{
    printf("File: %s\n", __FILE__);
    printf("Line: %d\n", __LINE__);
    printf("Date: %s\n", __DATE__);
    printf("Time: %s\n", __TIME__);
}

int main()
{
    test_macro();
    return 0;
}
/*
File: f:\openjudge\openjudge\000_test\000_test.cpp
Line: 15
Date: Sep 25 2014
Time: 21:16:24
*/