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Perl in a Nutshell

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sockaddr_in (port, addr_string)
pack_sockaddr_in (port, addr_string)

Takes a port number and a four-byte addr_string (as returned by inet_aton) and returns the socket address structure including those arguments packed with the AF_INET argument. This structure is normally what you need for the arguments in bind, connect, and send, and is also returned by getpeername, getsockname, and recv.

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