dll만든 후 헤더 구조체에 데이터가 안들어갑니다.

#ifdef CREATEDLL_EXPORTS
#define SERVERDLL3_DECLSPEC __declspec(dllexport)
#else
#define SERVERDLL3_DECLSPEC __declspec(dllimport)
#endif
 
#define _AFXDLL
#include "framework.h"
#include <vector>
#include <tchar.h>
#include <ctime>
#include <winsock.h>
#include <algorithm>
#include <string>
#include <stdlib.h> 
#pragma warning(disable: 4996)
 
#define MAX_CLIENT_NUM 255
#define BUFSIZE 1024
 
struct SocketComm {
	SOCKET server_sock;					/*서버 소켓*/
	SOCKADDR_IN serv_socketAddr;		/*서버 소켓 정보 구조체*/
 
	SOCKET clnt_sock;					/*클라이언트 소켓*/
	SOCKADDR_IN clnt_socketAddr;		/*서버 소켓 정보 구조체*/
 
	std::vector<SOCKET> client_list;			/*TCP 다중 클라이언트용 벡터*/
	std::vector<SOCKADDR_IN> udpClient_list;	/*UDP 다중 클라이언트용 벡터*/
	int index;							/*m_user_list 구조체 활용하기 위한 index*/
 
	char key[BUFSIZE] = "ufmsystems";
	int keycount;
	char encrypt[BUFSIZE];
	int encryptsize;
	char datasize[20];
	char decrypt[BUFSIZE];
}; extern SocketComm m_socket_comm;
 
SERVERDLL3_DECLSPEC int winsockInit();
SERVERDLL3_DECLSPEC void serverSocket(int domain, int type, int protocol);
class TCPServer
{
public:
	SERVERDLL3_DECLSPEC TCPServer();
	SERVERDLL3_DECLSPEC ~TCPServer();
	//---------------------변수-------------------------//
	const char* slniPath;				/*ini 위치*/
	TCHAR KeyInfo[MAX_PATH];		/*Key 정보가 들어갈 변수*/
	int ServerPort_Num;				/*ServerPort 정보가 들어갈 변수*/
	int ClientCount_Num;			/*ClientCount_Num 정보가 들어갈 변수*/
	int size = sizeof(SOCKADDR_IN);	/*SOCKADDR_IN 구조체 길이*/
	char readbuffer[BUFSIZE];		/*Recv 정보를 넣을 변수*/
	int recvsize;					/*Recv 리턴값을 받아올 변수*/
	char serverText;				/*Send할때 사용할 포맷 (출력용)*/
	char ConnTime[BUFSIZE];		/*접속한 시간*/
	char CloseTime[BUFSIZE]; 		/*종료한 시간*/
	char RecvTime[BUFSIZE];		/*수신한 시간*/
 
	char DisConnectInfo_str[BUFSIZE];
	char ConnectInfo_str[BUFSIZE];
	//-----------------------함수----------------------------//
	SERVERDLL3_DECLSPEC void IniInfo(const char* iniLocation, const char* Section, const char* Key); //ini 파일 내용 가져오기
	SERVERDLL3_DECLSPEC void BeforeAccept(); //bind, listen
	SERVERDLL3_DECLSPEC int ClntAccept(); //accept
	SERVERDLL3_DECLSPEC void MultiClient(); //vector pushback
	SERVERDLL3_DECLSPEC void ServRecv(SOCKET clntsock);
	SERVERDLL3_DECLSPEC void ServSend();
	SERVERDLL3_DECLSPEC void EraseVec(SOCKET clntsock);
	SERVERDLL3_DECLSPEC void ServCurSelSend(int num, char buf[], int bufsize);
	//------------------------------------------------------//
 
};

_beginthread(TCPSendRecvComm, NULL, (void*)m_socket_comm.clnt_sock);