Content-Type: text/plain Content-Disposition: inline Content-Transfer-Encoding: binary MIME-Version: 1.0 X-Mailer: MIME-tools 5.427 (Entity 5.427) RT-Send-CC: X-RT-Original-Encoding: iso-8859-1 Content-Length: 300 I reopened https://sourceware.org/bugzilla/show_bug.cgi?id=6775 in an attempt to get IPv6 pktinfo to be part of the default netinet/in.h namespace on Linux. I think I have reasonably good arguments, but I still don't have a lot of hope, if the attitude is "everyone should be using _GNU_SOURCE".