rt_free(recv_data);
       // break;
    }
    else if (ret == 0)
    {
        /* 打印send函数返回值为0的警告信息 */
        rt_kprintf("<br> Send warning,send function return 0. <br>");
    }

url = "183.193.243.90";//argv[1];
port = 11222;//strtoul(argv[2], 0, 10);
/* 通过函数入口参数url获得host地址（如果是域名，会做域名解析） */
host = gethostbyname(url);
/* 分配用于存放接收数据的缓冲 */
recv_data = rt_malloc(BUFSZ);
if (recv_data == RT_NULL)
{
    rt_kprintf("No memory<br>");
    return;
}
/* 创建一个socket，类型是SOCKET_STREAM，TCP类型 */
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
    /* 创建socket失败 */
    rt_kprintf("Socket error<br>");
    /* 释放接收缓冲 */
    rt_free(recv_data);
    return;
}
/* 初始化预连接的服务端地址 */
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(port);
server_addr.sin_addr = *((struct in_addr *)host->h_addr);
rt_memset(&(server_addr.sin_zero), 0, sizeof(server_addr.sin_zero));
/* 连接到服务端 */
if (connect(sock, (struct sockaddr *)&server_addr, sizeof(struct sockaddr)) == -1)
{
    /* 连接失败 */
    rt_kprintf("Connect fail!<br>");
    closesocket(sock);
    /*释放接收缓冲 */
    rt_free(recv_data);
    return;
}
 bytes_received = recv(sock, recv_data, BUFSZ - 1, 0);
 recv_data[bytes_received] = '\0';
 /* 在控制终端显示收到的数据 */
        rt_kprintf("<br>Received data = %s", recv_data);
char lookstring[100];
rt_bool_t start_send = 1;
while (1)
{
    if((command_count < 7)&&(start_send == 1))
    {
     if (command_count == 4) //i can see 
     {
      rt_sprintf(&lookstring[0],"%s%s in this room <br>",command[command_count],look);
       command_test(sock,lookstring,recv_data);
     }
    // rt_kprintf("command_count is %d <br>",command_count);
     else 
     {
         command_test(sock,command[command_count],recv_data);
     }
     start_send = 0;       
    }
    /* 从sock连接中接收最大BUFSZ - 1字节数据 */
    bytes_received = recv(sock, recv_data, BUFSZ - 1, 0);
    if (bytes_received < 0)
    {
        /* 接收失败，关闭这个连接 */
        closesocket(sock);
        rt_kprintf("<br>received error,close the socket. <br>");
        /* 释放接收缓冲 */
        rt_free(recv_data);
        break;
    }
    else if (bytes_received == 0)
    {
        /* 默认 recv 为阻塞模式，此时收到0认为连接出错，关闭这个连接 */
        closesocket(sock);
        rt_kprintf("<br>received error,close the socket. <br>");
        /* 释放接收缓冲 */
        rt_free(recv_data);
        break;
    }
    /* 有接收到数据，把末端清零 */
    recv_data[bytes_received] = '\0';
    char *chartemp;
    if (strncmp(recv_data, "q", 1) == 0 || strncmp(recv_data, "Q", 1) == 0)
    {
        /* 如果是首字母是q或Q，关闭这个连接 */
        closesocket(sock);
        rt_kprintf("<br> got a 'q' or 'Q',close the socket. <br>");
        /* 释放接收缓冲 */
        rt_free(recv_data);
        break;
    }
    else
    {
        /* 在控制终端显示收到的数据 */
        rt_kprintf("<br>Received data = %s", recv_data);
        if (command_count ==2) //look //The following are in this room:
        {
          if(rt_strstr(recv_data,MYID) != NULL)
          {
          //chartemp=strchr(recv_data,':');
         // rt_strncpy(look,chartemp,strlen(chartemp));
           rt_strncpy(look,recv_data,strlen(recv_data));//strlen(recv_data));
            replace(look);
             rt_kprintf("look[] is %s<br>",look);
            command_count++;
            start_send = 1;
          }
        }
        else if (command_count ==3)
        {
            if(rt_strstr(recv_data,MYID) != NULL)
          {
            command_count++;
            start_send = 1;
          }
        }
        else
        {
        command_count++;
        start_send = 1;
        }
    }
    /* 发送数据到sock连接 */
   /* ret = send(sock, send_data, strlen(send_data), 0);
    if (ret < 0)
    {
        /* 接收失败，关闭这个连接 
        closesocket(sock);
        rt_kprintf("<br>send error,close the socket. <br>");
        rt_free(recv_data);
        break;
    }
    else if (ret == 0)
    {
        /* 打印send函数返回值为0的警告信息 
        rt_kprintf("<br> Send warning,send function return 0. <br>");
    }*/
    /*if(command_count < 7)
    {
    // rt_kprintf("command_count is %d <br>",command_count);
     command_test(sock,&command[command_count],recv_data);
     command_count++;
    }*/
}
return;