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Some man pages used bold font for special meaning constants (e.g. -1 for
infinity, 0 for false, 1 for true, NULL), but some didn't. Make the
formatting consistently bold, but leave ordinary constants (number of
packets in a buffer, a timeout, a buffer size) intact.
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Document that pcap_next_ex() will, in non-blocking mode, return 0 if no
packets are immediately available.
Document precisely why pcap_loop() and pcap_next() don't behave well in
non-blocking mode.
[skip ci]
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Use the BSD house style, in which, in
foobar() returns 17 on success and 137 on failure.
"foobar" is boldfaced but "()" isn't.
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All manpage references such as pcap_create(3PCAP) will now be formatted
with the identifier (e.g. "pcap_create") in **bold** and the section
name (e.g. "(3PCAP)") in roman (default) face. This is how most manpages
seem to be formatted and makes things more consistent.
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[skip ci]
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[skip ci]
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Note, in more places, that if you call pcap_dispatch() on a pcap_t for
which there's a read timeout, it might return 0 if the read timeout
expires and there are no packets to be read - but that this behavior is
not guaranteed (so write your code to be able to handle it if it does
happen but not to depend on it happening).
Note also that a select()/poll()/etc. on the selectable descriptor for
the pcap_t might report the descriptor as readable if the read timeout
expires, even if there are no packets available to read - but that it
might not (so write your code to be able to handle it if it does happen
but not to depend on it happening).
Also, note that pcap_t's start out blocking, so they don't think that a
0 return from pcap_dispatch() means it's non-blocking and that they need
to call pcap_setnonblock() to put it in blocking mode.
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This change removes CVS keywords that express that the file belongs to
libpcap repository. All such keywords represented the revision and
timestamp by the end of 2008 or even older.
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concepts to the pcap(3PCAP) man page, refer people to the pcap(3PCAP)
man page from the man pages for libpcap functions, and clean up some
errors.
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to 1.0, might as well go with the place where Red Hat stuck the header
at one point and where the header "officially" resides.
(We should put a "backwards compatibility" note into pcap.3pcap.)
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functions plus an overall man page for libpcap, and put them all into
section 3PCAP. That means you can actually do "man pcap_open_live" and
get something meaningful, rather than having to do "man pcap" and then
scroll through all the other stuff in the man page.
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