ip 목록 출력

#include <winsock2.h>

#pragma comment (lib, "ws2_32.lib")

WSADATA wsaData;

WORD wVersionRequested = MAKEWORD( 2, 0 );

EXPECT_EQ(WSAStartup(wVersionRequested, &wsaData), 0);

char name[MAX_PATH+1]={0};

EXPECT_EQ(gethostname(name, sizeof(name)), 0);

struct hostent* hostinfo;

hostinfo = gethostbyname(name);

EXPECT_TRUE(hostinfo != NULL);

vector<string> vec;

for (int i=0; hostinfo->h_addr_list[i] != NULL; i++)

{

string ip = inet_ntoa (*(struct in_addr *)hostinfo->h_addr_list[i]);

vec.push_back(ip);

}

WSACleanup();

struct print_helper {

void operator()(string& ip) {

cout << "ip : " << ip << endl;

}

};

for_each(vec.begin(), vec.end(), print_helper());