winsock2 client/server

DWORD WINAPI networkCl(void *userData)
{
    char server[256] = {0};
    strcpy(server, (char*)userData);

    int iError = 0;
    struct addrinfo *result = NULL, hints;

    memset(&hints, 0, sizeof(hints));
    hints.ai_family = AF_INET;
    hints.ai_socktype = SOCK_STREAM;
    hints.ai_protocol = IPPROTO_TCP;

    iError = getaddrinfo(server, "9904", &hints, &result);
    if (iError != 0) { printf("getaddrinfo failed: %d\n", iError); WSACleanup(); return 0; }

    thisSock = INVALID_SOCKET;
    thisSock = socket(result->ai_family, result->ai_socktype, result->ai_protocol);
    if (thisSock == INVALID_SOCKET) { printf("socket failed: %d\n", WSAGetLastError()); WSACleanup(); return 1; }

    iError = connect(thisSock, result->ai_addr, (int)result->ai_addr);
    freeaddrinfo(result);
    if (iError == SOCKET_ERROR) { printf("connect failed: %d\n", WSAGetLastError()); closesocket(thisSock); }
    if (thisSock == INVALID_SOCKET) { printf("unable to connect to server\n"); WSACleanup(); return 1; }

    sendPacket(IDBYTE_SETNAME, local.name);

    char recvData[256] = {0}; int recvBytes = 0;
    do
    {
        recvBytes = recv(thisSock, recvData, sizeof(recvData), 0);
        if (recvBytes > 0)
        {
            char idByte = recvData[0];
            char *rData = &recvData[1];
            printf("Packet received: ");
            for (int i = 0; i < strlen(recvData); i++)
                printf("0x%02X ", recvData[i]);
            printf("\n");
            if (idByte == IDBYTE_SETNAME)
            {
                strcpy(other.name, rData);
                chatPrint("other changed name to %s", rData);
            }
            else if (idByte == IDBYTE_CHATMSG)
            {
                chatPrint("%s", rData);
            }
            else if (idByte == IDBYTE_MOVEPOS)
            {
                float deltaX = 0;
                deltaX = atof(rData);
                other.sprite.Move((float)deltaX, 0);
            }
            else if (idByte == IDBYTE_SHOOTBT)
            {
                actionSounds[0].Play();
            }
        }
    } while (recvBytes > 0);
    closesocket(thisSock);
    WSACleanup();

    printf("End of client function.\n");
    return 0;
}

DWORD WINAPI networkSv(void *userData)
{
    int iError = 0;
    struct addrinfo *result = NULL, hints;

    memset(&hints, 0, sizeof(hints));
    hints.ai_family = AF_INET;
    hints.ai_socktype = SOCK_STREAM;
    hints.ai_protocol = IPPROTO_TCP;
    hints.ai_flags = AI_PASSIVE;

    iError = getaddrinfo(NULL, "9904", &hints, &result);
    if (iError != 0) { printf("getaddrinfo failed: %d\n", iError); WSACleanup(); return 0; }

    thisSock = INVALID_SOCKET;
    thisSock = socket(result->ai_family, result->ai_socktype, result->ai_protocol);
    if (thisSock == INVALID_SOCKET) { printf("socket failed: %d\n", WSAGetLastError()); WSACleanup(); return 1; }

    iError = bind(thisSock, result->ai_addr, (int)result->ai_addr);
    if (iError == SOCKET_ERROR) { printf("bind failed: %d\n", WSAGetLastError()); freeaddrinfo(result); closesocket(thisSock); WSACleanup(); return 1; }

    if (listen(thisSock, SOMAXCONN) == SOCKET_ERROR)
    {
        printf("listen error: %d\n", WSAGetLastError());
        closesocket(thisSock);
        WSACleanup();
        return 1;
    }

    clSock = INVALID_SOCKET;
    clSock = accept(thisSock, NULL, NULL);
    if (clSock == INVALID_SOCKET)
    {
        printf("accept error: %d\n", WSAGetLastError());
        closesocket(thisSock);
        WSACleanup();
        return 1;
    }

    sendPacket(IDBYTE_SETNAME, local.name);

    char recvData[256] = {0}; int recvBytes = 0;
    do
    {
        recvBytes = recv(clSock, recvData, sizeof(recvData), 0);
        if (recvBytes > 0)
        {
            char idByte = recvData[0];
            char *rData = &recvData[1];
            printf("Packet received: ");
            for (int i = 0; i < strlen(recvData); i++)
                printf("0x%02X ", recvData[i]);
            printf("\n");
            if (idByte == IDBYTE_SETNAME)
            {
                strcpy(other.name, rData);
                chatPrint("other changed name to %s", rData);
            }
            else if (idByte == IDBYTE_CHATMSG)
            {
                chatPrint("%s", rData);
            }
            else if (idByte == IDBYTE_MOVEPOS)
            {
                float deltaX = 0;
                deltaX = atof(rData);
                other.sprite.Move((float)deltaX, 0);
            }
            else if (idByte == IDBYTE_SHOOTBT)
            {
                actionSounds[0].Play();
            }
        }
    } while (recvBytes > 0);
    closesocket(thisSock);
    WSACleanup();

    printf("End of server function.\n");
    return 0;
}