#include <winsock.h>
#include <lm.h>
#include <iostream>
#include <string>

using namespace std;

#pragma comment(lib, "Netapi32.lib")

void list() 
{
	LPSERVER_INFO_101 pBuf = NULL;
   LPSERVER_INFO_101 pTmpBuf;
   DWORD dwLevel = 101;
   DWORD dwPrefMaxLen = -1;
   DWORD dwEntriesRead = 0;
   DWORD dwTotalEntries = 0;
   DWORD dwTotalCount = 0;
   DWORD dwServerType = SV_TYPE_SERVER; // all servers
   DWORD dwResumeHandle = 0;
   NET_API_STATUS nStatus;
   LPTSTR pszServerName = NULL; //LPCWSTR
   DWORD i;

   string str;

   nStatus = NetServerEnum(NULL,
							dwLevel,
                           (LPBYTE *) &pBuf,
                           dwPrefMaxLen,
                           &dwEntriesRead,
                           &dwTotalEntries,
                           dwServerType,
                           NULL,
                           &dwResumeHandle);
   //
   // If the call succeeds,
   //

   if ((nStatus == NERR_Success) || (nStatus == ERROR_MORE_DATA))
   {
      if ((pTmpBuf = pBuf) != NULL)
      {
         //
         // Loop through the entries and 
         //  print the data for all server types.
         //

         for (i = 0; i < dwEntriesRead; i++)
         {
            //ASSERT(pTmpBuf != NULL);

            if (pTmpBuf == NULL)
            {
               cout << "An access violation has occurred" << endl;
               break;
            }

			else
			{
				char szBuf[MAX_PATH];
				wchar_t buff[100];
				swprintf(buff,L"%s",pTmpBuf->sv101_name);

				//convert to byte format

				WideCharToMultiByte(CP_ACP,0,buff,-1,szBuf,
							MAX_PATH+1,NULL,NULL);
				//m_clients.InsertItem(0,szBuf);
				//cout << szBuf << endl;

				str += szBuf;
				str += "\n";

				pTmpBuf++;
				dwTotalCount++;
			}
         }
         // Display a warning if all available entries were
         //  not enumerated, print the number actually 
         //  enumerated, and the total number available.

         if (nStatus == ERROR_MORE_DATA)
         {
            cout << "More entries available!!!" << endl;
			fprintf(stderr, "\nMore entries available!!!\n");
			fprintf(stderr, "Total entries: %d", dwTotalEntries);
         }

		 char total[20];
		 wsprintf(total,"%d",dwTotalCount);
         cout << "Es wurden [" << total << "] Computer gefunden:" << endl;
		 cout << "--------------------------------" << endl;
		 cout << str << endl;

      }
   }
   else
      cout << "A system error has occurred 2 " << endl;
   //
   // Free the allocated buffer.
   //
   if (pBuf != NULL)
      NetApiBufferFree(pBuf);

}

int main()
{
	list();
	return 0;
}

hostent *hEnt = 0;
    hEnt = gethostbyname( name1 );//bekannter hostname in name1

    CString m_ip;
    m_ip=inet_ntoa( *(LPIN_ADDR)*hEnt->h_addr_list );
    MessageBox(m_ip);

string HostIP(string hname)
{
	#define h_addr h_addr_list[0]	//für getHostIP

	WSADATA WsaDat;	
	hostent *myhost;	
	in_addr myaddr;	

    myhost = NULL;

    if (WSAStartup(MAKEWORD(1,1),&WsaDat)==0)
	{			
		myhost = gethostbyname(hname.c_str());	

        if (myhost!=NULL)
		{      			
			myaddr.S_un.S_un_b.s_b1 = myhost->h_addr[0];
			myaddr.S_un.S_un_b.s_b2 = myhost->h_addr[1];
			myaddr.S_un.S_un_b.s_b3 = myhost->h_addr[2];
			myaddr.S_un.S_un_b.s_b4 = myhost->h_addr[3];

			//printf("%s - %s\n",host, inet_ntoa(myaddr));
			return inet_ntoa(myaddr);
		}		

		else
		return "Unbekannter Host";
		WSACleanup();
	}//if WSAStartup

	else
	return "ERROR";

	return 0;
}