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fix docs for tcp-addresses and udp-addresses

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This commit is contained in:
Matthew Flatt 2010-08-19 16:13:50 -06:00
parent 43ecbe4837
commit eb584b4ecd
1 changed files with 17 additions and 11 deletions
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28
collects/scribblings/reference/networking.scrbl
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@ -228,21 +228,25 @@ connections, so @racket[tcp-abandon-port] is equivalent to
[port-numbers? any/c #f])
(or/c (values string? string?)
(values string? (integer-in 1 65535)
string? (integer-in 1 65535)))]{
string? (integer-in 0 65535)))]{
Returns two strings when @racket[port-numbers?] is @racket[#f] (the
default). The first string is the Internet address for the local
machine a viewed by the given @tech{TCP port}'s connection. (For most
machines, the answer corresponds to the current machine's only
Internet address, but when a machine serves multiple addresses, the
result is connection-specific.) The second string is the Internet
address for the other end of the connection.
machine a viewed by the given @tech{TCP port}'s connection or for the
TCP listener. (For most machines, the answer corresponds to the
current machine's only Internet address, but when a machine serves
multiple addresses, the result is connection-specific or
listener-specific.) If a listener is given and it has no specific
host, the first string result is @racket["0.0.0.0"]. The second string
is the Internet address for the other end of the connection, or always
@racket["0.0.0.0"] for a listener.
If @racket[port-numbers?] is true, then four results are returned: a
string for the local machine's address, an exact integer between
@racket[1] and @racket[65535] for the local machine's port number, a
string for the remote machine's address, and an exact integer between
@racket[1] and @racket[65535] for the remote machine's port number.
@racket[1] and @racket[65535] for the remote machine's port number or
@racket[0] for a listener.
If the given port has been closed, the @exnraise[exn:fail:network].}
@ -568,8 +572,8 @@ content is not modified if the event is not chosen.)}
@defproc[(udp-addresses [udp-port udp?]
[port-numbers? any/c #f])
(or/c (values string? string?)
(values string? (integer-in 1 65535)
string? (integer-in 1 65535)))]{
(values string? (integer-in 0 65535)
string? (integer-in 0 65535)))]{
Returns two strings when @racket[port-numbers?] is @racket[#f] (the
default). The first string is the Internet address for the local
@ -581,8 +585,10 @@ address for the other end of the connection.
If @racket[port-numbers?] is true, then four results are returned: a
string for the local machine's address, an exact integer between
@racket[1] and @racket[65535] for the local machine's port number, a
@racket[1] and @racket[65535] for the local machine's port number
or @racket[0] if the socket is unbound, a
string for the remote machine's address, and an exact integer between
@racket[1] and @racket[65535] for the remote machine's port number.
@racket[1] and @racket[65535] for the remote machine's port number
or @racket[0] if the socket is unconnected.
If the given port has been closed, the @exnraise[exn:fail:network].}