gethostname.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>

int main()
{
	char name[256];
	if(gethostname(name, 256)<0)
		cout << "cannot get hostname"<<endl;
	else
		cout << "name:" << name << endl;
}