Note that, unlike the name suggests, there is nothing stream-like
The asynchronous service routine to be called on events such as
datagram arrival without outstanding
Read call. The asr
has a single argument, the event code.
A read-only member giving the port number of this UDP Stream.
Read a datagram, waiting at most timeout seconds (-1 is
infinite). Return the data.
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- Write(host, port, buf)
Send buf as a datagram to IP-address host, port