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LWIP - how to choose client to send data in server mode i.e

Question asked by m.carlos on Sep 21, 2016
Latest reply on Sep 21, 2016 by FTITI.Walid
Hi all, 

I am using stm32f746disco and working in the LWIP stack, having the provided examples as a guide.
I can receive and transmit data successfully, but only I can send data to the current tcp_pcb running in the callback funtions.
If I have 3 clients, how can I choose to which to send data at any time??
I can't find any kind of accepted concections list.

Thanks in advance