UPD прокси socks

#ifdef WIN32
DWORD __stdcall CheckThread(LPVOID lpParam)
#else
        void * CheckThread(void *lpParam)
#endif
        {
 
    bind(WinSocket, (SOCKADDR*) &addr, sizeof(addr));
    char buf[1024] = { '\0' };
    int lenClient;
    while (1) {
        lenClient = sizeof(buf);
        lenClient = recvfrom(WinSocket, buf, lenClient, 0, (SOCKADDR*) &addr,
                &lenClient);
        if (lenClient > 0) {
            printf("out %i\n", lenClient);
            sendto(WinSocketP, buf, lenClient, 0, (SOCKADDR*) &addrp,
                    sizeof(recv_sin));
        }
    }
}
 
#ifdef WIN32
DWORD __stdcall CheckThreadB(LPVOID lpParam)
#else
        void * CheckThreadB(void *lpParam)
#endif
        {
    char buf[1024] = { '\0' };
    int lenClient;
 
    bind(WinSocketP, (SOCKADDR*) &addrp, sizeof(addr));
    while (1) {
        lenClient = sizeof(buf);
        lenClient = recvfrom(WinSocketP, buf, lenClient, 0, (SOCKADDR*) &addrp,
                &lenClient);
        if (lenClient > 0) {
            printf("in %i\n", lenClient);
            sendto(WinSocket, buf, lenClient, 0, (SOCKADDR*) &addr,
                    sizeof(recv_sin));
        }
    }
    return 1;
}
 
int _tmain(int argc, _TCHAR* argv[]) {
    WSAData wsaData;
    WSAStartup(MAKEWORD(2, 2), &wsaData);
 
    WinSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
 
    addr.sin_family = AF_INET;
    addr.sin_port = htons(8080);
    addr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");
 
    WinSocketP = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
 
    addrp.sin_family = AF_INET;
    addrp.sin_port = htons(8888);
    addrp.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");
 
    DWORD dwThreadId = 0;
    threadHandle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) CheckThread,
            NULL, 0, &dwThreadId);
    CloseHandle (threadHandle);
 
    dwThreadId = 0;
    threadHandle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) CheckThreadB,
            NULL, 0, &dwThreadId);
    CloseHandle(threadHandle);
 
    while (1) {
    }
 
    //closesocket(s);
    WSACleanup();
 
}