User Interface
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... interfaces which are appropriate to a particular operating system
environment, a minimum functionality is required at the TCP/user
interface for any valid implementation.
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... front-end protocol must provide the functionality to support
the type of TCP-user interface described in this document.
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... buffers
of data that cross the TCP/user interface. Each time a PUSH flag is
associated with data placed into the receiving user's buffer ...
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We have implicitly assumed an asynchronous user interface in
which a SEND later elicits some kind of SIGNAL or
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The model of the TCP/user interface is that user commands receive an
immediate return and possibly a delayed response via an event or
pseudo ...