Fix regressions introduce in the fix for CVE-2016-6559.
From FreeBSD (glebius)

Fix a typo, decrement rem, don't increment for single digit hex bytes.
From Henri Kemppainen

CVE-2016-6559: fix potential buffer overflow(s) in link_ntoa(3).
A specially crafted struct sockaddr_dl argument can trigger a stack
overflow of a static buffer in libc. An attacker may be able to
u

CVE-2016-6559: fix potential buffer overflow(s) in link_ntoa(3).
A specially crafted struct sockaddr_dl argument can trigger a stack
overflow of a static buffer in libc. An attacker may be able to
use this to write to arbitrary locations in the data segment.
From FreeBSD (glebius); OK deraadt@ mestre@

show more ...

Remove link_addr(3). A function to encode the name of an interface in
a sockaddr_dl is a questionnable interface. But now it makes it harder
to properly reference ifp becauses of this.

Set sdl_ind

Remove link_addr(3). A function to encode the name of an interface in
a sockaddr_dl is a questionnable interface. But now it makes it harder
to properly reference ifp becauses of this.

Set sdl_index to the index of the corresponding interface when
constructing a routing message.

Ridding previous libc crank.

ok guenther@, deraadt@, dlg@

show more ...

zap rcsid.
split functions off res_debug.c so that getnetnamadr.c does not pull it
all when it's used.

okay deraadt@, krw@

ansify. ok deraadt@ moritz@

Remove the advertising clause in the UCB license which Berkeley
rescinded 22 July 1999. Proofed by myself and Theo.

Fix RCS ids
Make sure everything uses {SYS,}LIBC_SCCS properly

initial import of NetBSD tree