int nodecount = (int)ClientList.size();
      sendto(PrimaryUDP, (const char*)&nodecount, sizeof(int), 0, (const sockaddr*)&sender, sizeof(sender));

      for(UserList::iterator UserIterator=ClientList.begin();
        UserIterator!=ClientList.end();
        ++UserIterator)
      {
       sendto(PrimaryUDP, (const char*)(*UserIterator), sizeof(stUserListNode), 0, (const sockaddr*)&sender, sizeof(sender));
      }
      break;
     }
    }
   }
  }

 }
 catch(Exception &e)
 {
  printf(e.GetMessage());
  return 1;
 }

 return 0;
}

/* P2P 程序客户端
 *
 * 文件名：P2PClient.c
 *
 * 日期：2004-5-21
 *
 * 作者：shootingstars(zhouhuis22@sina.com)
 *
 */

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

#include "windows.h"
#include "..\proto.h"
#include "..\Exception.h"
#include
using namespace std;

UserList ClientList;

#define COMMANDMAXC 256
#define MAXRETRY    5

SOCKET PrimaryUDP;
char UserName[10];
char ServerIP[20];

bool RecvedACK;

void InitWinSock()
{
 WSADATA wsaData;

 if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0)
 {

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