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 ", __FILE__);     printf("Line: %d ", __LINE__);     printf("Date: %s ", __DATE__);     printf("Time: %s ", __TIME__); } int main() {     test_macro();     return 0; } /* File: f:openjudgeopenjudge00_test00_test.cpp Line: 15 Date: Sep 25 2014 Time: 21:16:24 */