More ipip references

make NI_WITHSCOPEID a default (always on), to synchronize with recent 2553bis.
sync with kame.

synchronize with kame better. get rid of #defines for ENI_xx.

Put back AF_LINK support. This time, all the new code passes lint(1), modulo
bin/14175. It should pass lint on a native i386 build, but I can't test that.

Remove AF_LINK support. It generates lint warnings, and hence won't compile
on i386. I'll re-commit once I've understood and fixed the problems.

make it at least compile (there's no /usr/include/net/if_ieee1394.h exist).
avoid overrun with snprintf. be careful about snprintf return value.

Extend getnameinfo() to support AF_LINK sockaddrs. The intention is that
anything that wants to print a link-layer address should go through here,
rather than re-inventing the wheel.

snprintf return value audit. inspired by deraadt

Fix previous rev. the right way, using socklen_t.

Fix lint problem caused by the changes for PR standards/12703.

make local constant arrays const

sprinkle _DIAGASSERT() around

remove merge error from kame.

off-by-1 error in string length validation.
From: Pavel Kankovsky <peak@argo.troja.mff.cuni.cz>

sync comment with reality. from kame

- remove unused vars
- fix non-portable casts

correct ENI_SALEN case to meet rfc2553bis.

correct return value from getnameinfo to meet rf2553bis.
(this also corrects incorrect "success" value, 0, on invalid sockaddr)

correct arg type for getnameinfo(3) for RFC2553 conformance.

bring in latest KAME implementation.
conforms to draft-ietf-ipngwg-scopedaddr-format-01.txt.
behavior change: returns numeric scopeid if we can't convert to string.
removed #if 0'ed portion which we

bring in latest KAME implementation.
conforms to draft-ietf-ipngwg-scopedaddr-format-01.txt.
behavior change: returns numeric scopeid if we can't convert to string.
removed #if 0'ed portion which we will never revisit.

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add __RCSID().

supply weak alias for IPv6-related library additions. sorry to be late.

make this compile on non 4.4BSD systems

to synchronize with progress of discussion for post
draft-ietf-ipngwg-scopedaddr-format-00.txt (will be 01),
use "address%interface" notation for extended scoped IPv6 address.

NOTE: the change affec

to synchronize with progress of discussion for post
draft-ietf-ipngwg-scopedaddr-format-00.txt (will be 01),
use "address%interface" notation for extended scoped IPv6 address.

NOTE: the change affects link-local addresses only. I hope it to be
the final change on it.....

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preparation to flip extended scoped address syntax.

the specification is still under debate; there is high possibility that
"fe80::1%de0" will be the finalist but i'm not sure yet.