给出我写的一个函数:
//环境参数 预定义宏
void environment()
{
cout << "__DATE__ = " << __DATE__ << endl;
cout << "__FILE__ = " << __FILE__ << endl;
cout << "__LINE__ = " << __LINE__ << endl;
cout << "__TIME__ = " << __TIME__ << endl;
cout << "__TIMESTAMP__ = " << __TIMESTAMP__ << endl;
}