#define?WIN32_LEAN_AND_MEAN
#include?
#include?
#include?
#include?
#include?
#include?
#include?

#pragma?comment（lib?“Iphlpapi.lib“）
#pragma?comment（lib?“ws2_32.lib“）

static?char?TcpState[][32]?=?
{
	“???“
	“CLOSED“
	“LISTENING“
	“SYN_SENT“
	“SEN_RECEIVED“
	“ESTABLISHED“
	“FIN_WAIT“
	“FIN_WAIT2“
	“CLOSE_WAIT“
	“CLOSING“
	“LAST_ACK“
	“TIME_WAIT“
};

DWORD?EnumTCPTable（）
{
	PMIB_TCPTABLE?pTcpTable?=?NULL;
	DWORD?dwSize?=?0;
	DWORD?dwRetVal?=?ERROR_SUCCESS;
	
	struct???in_addr?rip;
	struct???in_addr?lip;
	char??szrip[32]?=?{0};
	char??szlip[32]?=?{0};
	
	//獲得pTcpTable所需要的真實長度dwSize
	if?（GetTcpTable（pTcpTable?&dwSize?TRUE）?==?ERROR_INSUFFICIENT_BUFFER）
	{
		pTcpTable?=?（MIB_TCPTABLE*）?malloc?（（UINT）?dwSize）;
	}
	else
		return?dwRetVal;
	
	printf（“Active?Connections\n\n“）;
	printf（“??Proto\t%-24s%-24s%s\n““Local?Address““Foreign?Address““State“）;
	
	if?（（dwRetVal?=?GetTcpTable（pTcpTable?&dwSize?TRUE））?==?NO_ERROR）?
	{
		for?（int?i?=?0;?i?dwNumEntries;?i++）?
		{
			rip.S_un.S_addr?=?pTcpTable->table[i].dwRemoteAddr;
			lip.S_un.S_addr?=?pTcpTable->table[i].dwLocalAddr;
			//監聽端口，遠程主機端口為0，但函數返回是有值的，不知道它是怎么考慮的
			if?（pTcpTable->table[i].dwState?==?MIB_TCP_STATE_LISTEN）???
				pTcpTable->table[i].dwRemotePort?=?0;
			
			//dwLocalPort，dwRemotePort?是網絡字節
			_snprintf（szlipsizeof（szlip）“%s:%d“inet_ntoa（lip）htons（（u_short）pTcpTable->table[i].dwLocalPort））;
			_snprintf（szripsizeof（szrip）“%s:%d“inet_ntoa（rip）htons（（u_short）pTcpTable->table[i].dwRemotePort））;
			printf（“??TCP\t%-24s%-24s%s\n“szlipszripTcpState[pTcpTable->table[i].dwState]）;
		}
	}
	else
	{
		printf（“\tCall?to?GetTcpTable?failed.\n“）;
		
		LPVOID?lpMsgBuf;
		
		if?（FormatMessage（?
			FORMAT_MESSAGE_ALLOCATE_BUFFER?|?
			FORMAT_MESSAGE_FROM_SYSTEM?|?
			FORMAT_MESSAGE_IGNORE_INSERTS
			NULL
			dwRetVal
			MAKELANGID（LANG_NEUTRAL?SUBLANG_DEFAULT）?//?Default?language
			（LPTSTR）?&lpMsgBuf
			0
			NULL?））
		{
			printf（“\tError:?%s“?lpMsgBuf）;
		}
		LocalFree（?lpMsgBuf?）;
	}
	GlobalFree（pTcpTable）;
	return?dwRetVal;
}

DWORD?EnumUDPTable（）
{
	PMIB_UDPTABLE?pUdpTable?=?NULL;
	DWORD?dwSize?=?0;
	DWORD?dwRetVal?=?ERROR_SUCCESS;
	
//	struct???in_addr?rip;
	struct???in_addr?lip;
//	char??szrip[32]?=?{0};
	char??szlip[32]?=?{0};
	
	//獲得pUdpTable所需要的真實長度dwSize
	if?（GetUdpTable（pUdpTable?&dwSize?TRUE）?==?ERROR_INSU