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// IOData.h: interface for the IOData class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#if !defined(AFX_IODATA_H__85562453_FA38_4CE0_BF03_9467360D910D__INCLUDED_) 
#define AFX_IODATA_H__85562453_FA38_4CE0_BF03_9467360D910D__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
const int DATA_BUFSIZE	= 8192;  
 
typedef struct TagLPWSAOVERLAPPEDEX 
{ 
	WSAOVERLAPPED Overlapped; //重叠结构 
	WSABUF     WSABuf;//socket数据缓冲 
	char       Buffer[DATA_BUFSIZE];//wsaBuf指向的真实数据位置 
	SOCKET	   hSocket;//socket 句柄 
	SOCKET	   hSocketPair;//相关的socket句柄 
	LPVOID     pProxy3;//指向代理对象 
	TagLPWSAOVERLAPPEDEX *pPair;//指向相关socket的重叠扩展结构 
}WSAOVERLAPPEDEX, *LPWSAOVERLAPPEDEX;//重叠扩展结构 
 
 
 
 
#endif // !defined(AFX_IODATA_H__85562453_FA38_4CE0_BF03_9467360D910D__INCLUDED_)