when esis_shoutput is constructing a packet that overflows the first mbuf,
the EXTEND_PACKET macro did not set m_len on the new mbuf, which confused esis-insert_addr.

casts to quiet compiler.

4.4BSD snapshot (revision 8.1); add 1993 to copyright

fix #endif something to #endif /* something */

shut up complaints about 1st arg to timeout; declare esis_config() and snpac_age() as returning void

make kernel includes standard

minor typo-level changes for consistency with new header files

changes required by nov 92 version of socketvar.h

common version for new and old vm

new copyright; att/bsd/shared

don't call x.25 output devices . . .

changes to support esis and isis over eon

wisconsin fixes

add suggested es_config_timer option to ISH's

isis_input() may be called when there are no listeners;
so must free packet anyway. Also, must remember more than sockbuf
when avoiding copying.

forgot one critical line from isis_init();
may eventually remove clnl_protox[] since the elements are picked out

need systm.h included for insque

somehow lost change to esct.

merge in UW isis changes; my merge is untested, but SCCS id's
must be assigned before I leave today :-(

changed esis to make use of routing table; mostly works;
checkpoint before UW merge

change snpa cache to fold in to routing table; this doesn't work yet;
but checkpoint anyhow

make rights special case of ancillary data; if_output now called with rtentry ptr.

fixbugs in ishinput, rdinput processing, checkpoint for release
to NIST

checkpoint for ``alpha tape''; tp is still a little broken.

get rid of unneeded include's