euid.cc

达内IT培训Unix C++第一天源码 是入门Unix 下C++编程的好东西

#include <iostream>
using namespace std;
#include <unistd.h>
#include <fstream>

int main()
{
	cout << "my name:" << getlogin() <<endl;
	cout << "my uid:" << getuid() << endl;
	cout << "my euid:" << geteuid() << endl;
	ofstream fout(getlogin());
	if(!fout) cout << "error!" << endl;
	else cout << "success!" << endl;
	fout.close();
}