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IP_PKTINFO in cygwin
- From: Bill Florac <bill dot florac at etcconnect dot com>
- To: cygwin at cygwin dot com
- Date: Tue, 13 Jan 2009 02:26:18 +0000 (UTC)
- Subject: IP_PKTINFO in cygwin
Does cygwin support the setsockopt() - IP_PKTINFO to retreive the destination
address of a incomming UDP packet received via recvmsg()? I have made
numberous attempts but CMSG_FIRSTHDR() always returns NULL. The same code
works find under linux. I'm guessing that cygwin is using winsock underneath
and I beleive this would only be available under winsock 2.2. Is there a
means to build cygwin to complile with this version of winsock?
Bill
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