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

various lintish things come to light by protoypes.

added pk_ifwithaddr(), reformated according to UBC conventions

didn't get includes right

changes to run over both LLC and HDLC, and also use explicit shifts
instead of bitfields.

make kernel includes standard

make compile under new and old systems /* hope this is right */

comparison wrongly takes precedence over bitwise-and

another fix from Dirk Husemann

bug fix from dkhusema@uni-erlangen.de - pkthdr.len not increment in pk_clear

m_split moved into common code.

this version now supports IP over X.25; changes include setting
the X25_MBS_HOLD flag and preserving flags through incoming call cloning and aassociation

fix outright bug for reporting errors when no socket;
pk_flowcontrol called pk_template with the wrong values; a || b generates only 1 or 0;
move start routine to x25_ifaddr, since there may be many

fix outright bug for reporting errors when no socket;
pk_flowcontrol called pk_template with the wrong values; a || b generates only 1 or 0;
move start routine to x25_ifaddr, since there may be many pkp's with a given ifa

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make build_facilities known so that OSI can use it.

in clearcause; check that socket is there before setting error ;
set lengths in various pkthdrs; get rid of call to lcd_upper meaning flow on;
fix some return values for pk_fragment.

set default lower level output routine when creating an x25 control block.

DIAGNOSTIC is already defined for general error catching

reformat according to UBC conventions (space before parameters);
doubly link all pklcd's for debugging; allow for two new packet types --
(Reject and Diagnostic) in decode; uniformize generation of R

reformat according to UBC conventions (space before parameters);
doubly link all pklcd's for debugging; allow for two new packet types --
(Reject and Diagnostic) in decode; uniformize generation of RR's and RNR's

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checkpoint -- this version compiles and represents most of
the changes to have ISO CONS be a kernel client of X.25; not tested!!!!

working version fixing bugs in pk_fragment;
also allow 12 bits of lcn; this version includes but does not reference
a new mbuf utility m_split, which will be put in uipc_mbuf.c eventually.

capture current work; fix minor bugs concerning packet lengths &
conventions; add routine to fragment datagrams into complete sequences.

this version compiles; completely untested

assign SCCS numbers for ``June'' beta tape; not yet tested.

checkpoint before changing pq structure to be a sockbuf for downq
and only retaining up method

periodic checkpoint against catastrophic loss