Answer Posted / chaitanya
shutdown() is useful for deliniating when you are done providing a request to a server using TCP. A typical use is to send a request to a server followed by a shutdown(). The server will read your request followed by an EOF (read of 0 on most unix implementations). This tells the server that it has your full request. You then go read blocked on the socket. The server will process your request and send the necessary data back to you followed by a close. When you have finished reading all of the response to your request you will read an EOF thus signifying that you have the whole response. It should be noted the TTCP (TCP for Transactions -- see R. Steven's home page) provides for a better method of tcp transaction management.
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