why in some programs, start function is not calling any function to send a packet so how it continues?
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I like to know when There is a command in tcl to start an event which function invoke first? start()? some times in the start function is not calling any function to send so how it continues?
$ns at 1.0 "$telnet start" in tcl. what is the first function that execute "TelnetApp(), timeout(), start(), stop(), next()"
If start() is the first then there is
running_ = 1;
double t = next();
and there is not any function to make or send packet like timeout().