Userlist with Chat - Winsock

Hi all, I'm wondering if you can help me.
Ii have created a little chat room so far for localhost; works OK. But ive done upto what I can.

I am wondering if you can elp me add a userlist to it? (So it displays usernames of them connecteD)


Here is a simplified version of the chat, thanks for any help! :D (Client and server)



Attachment 60946

The coding on that is slightly wrong....But you get the picture.
Can anyone help? Please...