Einfacher FTP Upload

#include "stdafx.h"
#include <string>
#include <windows.h>
#include <wininet.h>
#include <iostream>
#pragma comment(lib, "Wininet")

using namespace std;

void ftpupload(wstring &ip, wstring &user, wstring &pass, wstring &file_local, wstring &file_remote)
{
    HINTERNET hConnection;
    HINTERNET hFtpSes;
    hConnection = InternetOpen(NULL, INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0);

    if (hConnection == NULL) {
        cout << GetLastError();
    }
    else {
        hFtpSes = InternetConnect(hConnection, ip.c_str(), INTERNET_DEFAULT_FTP_PORT, user.c_str(), pass.c_str(), INTERNET_SERVICE_FTP, 0, 0);
        if (hFtpSes == NULL) {
            cout << GetLastError();
        }
        else {
            if (!FtpPutFile(hFtpSes, file_local.c_str(), file_remote.c_str(), FTP_TRANSFER_TYPE_BINARY, 0)) {
                cout << GetLastError();
            }
        }
    }
}

int main()
{
    wstring ip(L"127.0.0.1");
    wstring user(L"admin");
    wstring pass(L"passwort");
    wstring file_local(L"C:/lokaledatei.txt");
    wstring file_remote(L"/pfadmussexistieren/aufmserver.txt");
    ftpupload(ip, user, pass, file_local, file_remote);

    cin.get();
    return 0;
}