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Date:	Thu, 8 Jun 2006 00:28:54 +0100
From:	huw AT huwdlloyd DOT com
To:	cygwin AT cygwin DOT com
Subject:	Re: UNIX Network Programming (unpve13e) make failing (AF_INET6 undeclared).
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Thanks, Brian.

The first issue was an omission of #defines.  IPv6 isn't a necessity for the 
UNP source, I believe.

The next issue I have is:

mcast_leave.c: In function `mcast_leave_source_group':
mcast_leave.c:78: error: storage size of 'mreq' isn't known

76: #ifdef IP_DROP_SOURCE_MEMBERSHIP
77:        case AF_INET: {
78:                struct ip_mreq_source   mreq;

Which I believe is telling me that struct ip_mreq_source isn't defined.
Is this struct to do with IPv6 and how would I know that?

When I google for ip_mreq_source, I'm led to believe that it's defined in 
net/udp.h  (which I infer corrleates to usr/include/netinet/udp.h).

Thanks,
Huw


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