tcp broadcast

I am using RL-TCPnet for TCP/IP communication.
Everything works fine, but there is one problem at this time.
The controller is working as a server, so I am sending messages to whoever connects to me.
But once in a while I need to send broadcast messages to the subnet,
i.e. to the IP address x.y.z.255.
Since library function tcp_send only sends messages to the opened socket,
I couldn't find easy way to do it.
I thought about opening another socket as a client with the broadcast address
for this purpose, but this is probably not the best way to do it.

Will appreciate any suggestions.

Gennady

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