4.3BSD-Reno, basically unchanged since 1990 until yesterday. http://minnie.tuhs.org/cgi-bin/utree.pl?file=4.3BSD-Reno/src/lib/libc/net/linkaddr.c http://minnie

4.3BSD-Reno, basically unchanged since 1990 until yesterday. http://minnie.tuhs.org/cgi-bin/utree.pl?file=4.3BSD-Reno/src/lib/libc/net/linkaddr.c http://minnie.tuhs.org/cgi-bin/utree.pl?file=4.3BSD-Reno/src... Personally I'm more worried about the function returning obuf, a pointer to a stack variable in link_ntoa.