Re: UDP multicast

[Adrian Sietsma <adrian_groups@...>]

> Attached is C code for two programs mlisten.c & mcast.c
Thanks. That's practically identical to my test program set.

> I was able to run 3 instances of mlisten.c, that joined the same multicast IP 
> listening on the same UDP port number, all on the same linux host.  Then I 
> started mcast.c on the same linux host which sent a message every second to 
> that multicast IP & port.
I get the same error (10013 : Permission denied.) at bind() in the second app .
I'll try a few different compilers tomorrow.

Adrian