Hello , I have a project ALT in C++. I want to check IP from file text , compare with url string . But I don`t known how to call it ?

Code:
// BhoApp.cpp : Implementation of CBhoApp
#include "stdafx.h"
#include "BhoNew.h"
#include "BhoApp.h"
#include "exdispid.h"
/////////////////////////////////////////////////////////////////////////////
// CBhoApp
#include <iostream>
#include <fstream>
#include <string>
#include <conio.h>
#include <stdio.h>
/////////////////////////////////////////////////////////////////////////////
#include <stdexcept>
#include <vector>
 
using namespace std;
 
#ifdef _WIN32
    #include <WinSock2.h>
    #include <WS2tcpip.h>
    typedef unsigned uint32_t;
#else
    #include <netdb.h>
    #include <arpa/inet.h>
    #include <netinet/in.h>
    #include <sys/socket.h>  // BSD needs this
#endif
 
typedef vector<string> strings_t;
 
// function return IP
//strings_t getip(string hostname) 
//{
//    if (struct hostent* hent = gethostbyname(hostname.c_str()))
//    {
//        if (hent->h_addrtype == AF_INET  &&  hent->h_length == sizeof(uint32_t))
//        {
//            strings_t hosts;
//            for (int i = 0; hent->h_addr_list[i]; ++i)
//            {
//                struct in_addr addr = { 0 };
//                addr.s_addr = *(uint32_t*)hent->h_addr_list[i];
//                hosts.push_back(inet_ntoa(addr));
//            }
//            return hosts;
//        }
//        string text = "";
//        throw runtime_error(text);
//    }
//    
//    string text = "";
//    throw runtime_error(text);
//}
 
//#ifdef _WIN32
//    WSADATA wsadata = { 0 };
//    WSAStartup(MAKEWORD(2, 2), &wsadata);
//#endif
 
STDMETHODIMP CBhoApp::Invoke(DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pvarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    USES_CONVERSION; // This macro should be called when using ATL string conversion
                     //    macros to avoid compile errors (here we are using OLE2T)
 
    if(dispidMember == DISPID_BEFORENAVIGATE2)
    {
        BSTR bstrUrlName;
        HRESULT hr = m_spWebBrowser2->get_LocationURL(&bstrUrlName);
        if(FAILED(hr))
            return hr;
 
        LPTSTR psz = new TCHAR[SysStringLen(bstrUrlName)];
        lstrcpy(psz, OLE2T(bstrUrlName));
 
        string c=string(psz);
        int count=0;
        int count2=0;
        string string_sub;
        ifstream infile("E:\\test.txt");
        if (!infile)
        {
            cout << "Unable to open file\n";
            exit(1); // terminate with error
        }
        while(!infile.eof()) // To get you all the lines.
        {
            getline(infile,string_sub); // Saves the line in string_sub.
            if (!string_sub.empty())
            {
                try
                {
                    size_t result2 = c.find( string_sub ); //check string_sub on the text file line by line, comparable to string_main
                    if( result2 != string::npos )  // if found
                    {
                        count2+=1;
                    }
                    //strings_t hosts = getip(string_sub);
                    //for (strings_t::const_iterator p = hosts.begin();   p != hosts.end() ;  ++p)
                    //{
                    //    //cout << *p << endl;
                    //                
                    //    size_t result = c.find( (string)*p); //check string_sub on the text file line by line, comparable to string_main
                    //
                    //    if( result != string::npos )  // if found
                    //    {
                    //        count+=1;
                    //    }    
                    //}
                }
                catch(const exception &e)
                {
                    clog<<e.what()<<endl;
                }
            }
        }
        infile.close();
        if (count2 != 0) // || (count != 0))
        {
                        VARIANT vFlags = {0},vTargetFrameName = {0};
                        // Instead of about:blank, you can redirect user to some page saying site has been blocked. :-)
                        m_spWebBrowser2->Navigate(SysAllocString(L"about:blank"),&vFlags,&vTargetFrameName,NULL,NULL);
                        m_spWebBrowser2->put_Visible(VARIANT_TRUE);
                        return S_FALSE;
        }
        return S_OK;
    }
    return S_FALSE;
}
Using code line 30-59 and line 98-109 ?