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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:20:21 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:20:21 +0000
commit4f64827f3a395072f300b86ef17f730805b47048 (patch)
treec16297f7d68903dc80c86e3003b8e3ab5f030f7d /patchlevel.h
parentInitial commit. (diff)
downloadscreen-4f64827f3a395072f300b86ef17f730805b47048.tar.xz
screen-4f64827f3a395072f300b86ef17f730805b47048.zip
Adding upstream version 4.6.2.upstream/4.6.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+/* Copyright (c) 2008, 2009
+ * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
+ * Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
+ * Micah Cowan (micah@cowan.name)
+ * Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
+ * Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
+ * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
+ * Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
+ * Copyright (c) 1987 Oliver Laumann
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program (see the file COPYING); if not, see
+ * http://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
+ *
+ ****************************************************************
+ * $Id$ GNU
+ */
+
+/****************************************************************
+ *
+ * patchlevel.h: Our life story.
+ *
+ * 08.07.91 -- 3.00.01 -wipe and a 'setenv TERM dumb' bugfix.
+ * 17.07.91 -- 3.00.02 another patchlevel by Wayne Davison
+ * 31.07.91 -- 3.00.03 E0, S0, C0 for flexible semi-graphics, nonblocking
+ * window title input and 'C-a :' command input.
+ * 10.08.91 -- 3.00.04 scrollback, markkeys and some bugfixes.
+ * 13.08.91 -- 3.00.05 mark routine improved, ansi prototypes added.
+ * 20.08.91 -- 3.00.06 screen -h, faster GotoPos in overlay, termcap %.
+ * instead of %c
+ * 28.08.91 -- 3.00.07 environment variable support. security. terminfo.
+ * pyramid and ultrix support.
+ * 07.09.91 -- 3.00.99 secopen(), MIPS support, SVR4 support.
+ * 09.09.91 -- 3.01.00 backspace bug fixed.
+ * 03.10.91 -- 3.01.01 ansi.c: null-ptr fixed, CLS now saves to scrollback.
+ * Using setresuid on hpux. Memory leak fixed.
+ * Better GotoPos(). Support for IC. Another resize bug.
+ * Detach() w/o fore crashed. -T and -A(dapt) option.
+ * GNU copyleft.
+ * 19.12.91 -- 3.01.02 flow now really automatic (autoflow killed).
+ * 7 bit restriction removed from WriteString().
+ * 09.01.92 -- 3.01.03 flow reattach bug fixed. VDISCARD bug fixed.
+ * 13.01.92 -- 3.01.04 new flow concept: ^Af toggles now three states
+ * 21.01.92 -- 3.01.05 '^A:screen 11' bug fixed. aflag in DoScreen().
+ * Some code cleanup. attach_tty and display_tty[]
+ * added.
+ * 26.01.92 -- 3.01.06 apollo support, "hardcopy_append on", "bufferfile",
+ * SECURITY PROBLEM cleared..
+ * 28.01.92 -- 3.01.07 screen after su allowed. Pid became part of
+ * SockName. sysvish 14 character restriction considered.
+ * 31.01.92 -- 3.02.00 Ultrix port, Irix 3.3 SGI port, shadow pw support,
+ * data loss on stdin overflow fixed. "refresh off".
+ * 12.02.92 -- 3.02.02 stripdev() moved, -S introduced, bufferfile improved,
+ * ShellProg coredump cleared. SVR4 bugfixes.
+ * I/O code speedup added.
+ * 24.04.92 -- 3.02.03 perfectly stackable overlays. One scrollback per window,
+ * not per display.
+ * 05.05.92 -- 3.02.04 very nasty initialisation bug fixed.
+ * 09.05.92 -- 3.02.05 parsing for $:cl: termcap strings and \012 octal notation
+ * in screenrc file. More structuring. Detached startup
+ * with 'screen -d -m -S...' bugfixed.
+ * 11.05.92 -- 3.02.06 setreuid() bugs cleared, C-a : setenv added.
+ * "xn" capability in TERMCAP needed since "am" is there.
+ * 25.06.92 -- 3.02.07 The multi display test version. Have merci.
+ * 15.07.92 -- 3.02.08 :B8: supports automatic charset switching for 8-bit
+ * 26.09.92 -- 3.02.09 Ported to linux. Ignoring bad files in $SCREENDIR
+ * 22.10.92 -- 3.02.10 screen.c/ansi.c splitted in several pieces.
+ * Better ISearch. Cleanup of loadav.c
+ * 29.10.92 -- 3.02.11 Key mechanism rewritten. New command names.
+ * New iscreenrc syntax.
+ * 02.11.92 -- 3.02.12 'bind g copy_reg' and 'bind x ins_reg' as suggested by
+ * stillson@tsfsrv.mitre.org (Ken Stillson).
+ * 03.11.92 -- 3.02.13 Ported to SunOs 4.1.2. Gulp. Some NULL ptrs fixed and
+ * misc. braindamage fixed.
+ * 03.11.92 -- 3.02.14 Argument number checking, AKA fixed.
+ * 05.11.92 -- 3.02.15 Memory leaks in Detach() and KillWindow() fixed.
+ * Lockprg powerdetaches on SIGHUP.
+ * 12.11.92 -- 3.02.16 Introduced two new termcaps: "CS" and "CE".
+ * (Switch cursorkeys in application mode)
+ * Tim's async output patch.
+ * Fixed an ugly bug in WriteString().
+ * New command: 'process'
+ * 16.11.92 -- 3.02.17 Nuking unsent tty output is now optional, (toxic
+ * ESC radiation).
+ * 30.11.92 -- 3.02.18 Lots of multi display bugs fixed. New layer
+ * function 'Restore'. MULTIUSER code cleanup.
+ * Rudimental acls added for multiuser.
+ * No more error output, when output gives write errors.
+ * 02.12.92 -- 3.02.19 BROKEN_PIPE and SOCK_NOT_IN_FS defines added for
+ * braindead systems. Bug in recover socket code fixed.
+ * Can create windows again from shell.
+ * 22.12.92 -- 3.02.20 Made a superb configure script. STY and break fixed.
+ * 01.02.93 -- 3.02.21 Coredump bug fixed: 8-bit output in background windows.
+ * Console grabbing somewhat more useable.
+ * 23.02.93 -- 3.02.22 Added ^:exec command, but not tested at all.
+ * 23.02.93 -- 3.02.23 Added 'hardcopydir' and 'logdir' commands.
+ * 11.03.93 -- 3.02.24 Prefixed display and window structure elements.
+ * Screen now handles autowrapped lines correctly
+ * in the redisplay and mark function.
+ * 19.03.93 -- 3.03.00 Patched for BSD386. pseudos work.
+ * 31.03.93 -- 3.03.01 Don't allocate so much empty attr and font lines.
+ * 04.04.93 -- 3.03.02 fixed :exec !..| less and :|less, patched BELL_DONE &
+ * ^B/^F. Fixed auto_nuke attribute resetting. Better linux
+ * configure. ^AW shows '&' when window has other attacher.
+ * MAXWIN > 10 patch. KEEP_UNDEF in config.h.in, shellaka
+ * bug fixed. dec alpha port. Solaris port.
+ * 02.05.93 -- 3.03.03 Configure tweaked for sgi. Update environment with
+ * setenv command. Silence on|off, silencewait <sec>,
+ * defautonuke commands added. Manual page updated.
+ * 13.05.93 -- 3.03.04 exit in newsyntax script, finished _CX_UX port.
+ * Texinfo page added by Jason Merrill. Much longish debug
+ * output removed. Select window by title (or number).
+ * 16.06.93 -- 3.04.00 Replaced ^A- by ^A^H to be complementary to ^A SPACE.
+ * Moved into CVS. Yacc.
+ * 28.06.93 -- 3.04.01 Fixed selecting windows with numeric title. Silence
+ * now works without nethackoption set.
+ * 01.07.93 -- 3.04.02 Implementing real acls.
+ * 22.07.93 -- 3.05.00 Fixed SVR4, some multiuser bugs, -- DISTRIBUTED
+ * 05.08.93 -- 3.05.01 ${srcdir} feature added. Shellprog bug fixed.
+ * Motorola reattach bug fixed. Writelock bug fixed.
+ * Copybuffer moved into struct acluser. Configure.in
+ * uglified for Autoconf1.5. Paste may now have an
+ * argument. Interactive setenv. Right margin bug
+ * fixed. IRIX 5 patches. -- DISTRIBUTED
+ * 13.08.93 -- 3.05.02 ultrix support added. expand_vars removed from
+ * register function. Paste bug fixed.
+ * sysmacros.h now included in pty.c on sgis
+ * Strange hpux hack added for TTYCMP.
+ * Zombie feature improved.
+ * 08.09.93 -- 3.05.03 Makefile and OSF1 fine tuning. Eased attach to
+ * multi sessions. Writelock now obeys acl write
+ * permissions. UserDel() now preserves defaults.
+ * acladd/aclchg syntax improved. Updated
+ * documentation. Bug in at command fixed.
+ * MakeWindow() now obeys perm defaults.
+ * 03.10.93 -- 3.05.90 Multiple displays can now share the same window.
+ * Layers now belong to Windows. "Select -" yields a blank
+ * page. Debug output can be switched on/off at runtime.
+ * Number command changes window number and utmp-slot.
+ * 14.10.93 -- 3.05.91 Mechanism to find the "best" window added. Much
+ * debugging done and still needed. Slowpaste setting now
+ * per window. Preserving fore AND other window when
+ * detached. Per user settings for `monitor' and `silence'.
+ * New command `su'. BlankWindow performs now ColonInput.
+ * History command fixed, it depended on paste code that
+ * was previously changed to allow concatenation of buffers.
+ * Fixing umask problem with WriteFile() reported by Jamie
+ * Mason.
+ * 30.11.93 -- 3.05.04 Kanji support added. New keymap feature:
+ * bindkey and various map commands. GR and C1
+ * flags now define the character processing.
+ * 30.11.93 -- 3.05.92 Kanji support added. New keymap feature:
+ * bindkey and various map commands. GR and C1
+ * flags now define the character processing.
+ * 17.12.93 -- 3.05.93 Tcon authentification mechanism. AddChar macro broken up
+ * into 2 functions. Acl.c, network.c, misc.c, termcap.c
+ * and tty.c are now display free!
+ * 27.12.93 -- 3.05.94 Telnet login works, can export one window per mux.
+ * Acl-groups added. Export rights is an acl.
+ * connect works, can create shadow window thus import
+ * command channel and switch windows. Can detach sessions
+ * from each other. Can renumber imported and exported
+ * windows. DL_LOOP prevents now SEGV, sessions have names
+ * and can be connected to very flexible.
+ * 03.01.94 -- 3.05.95 Import and export of any number of channels works,
+ * except a small bug with margin handling when exporting.
+ * Window titles are forwarded, break is forwarded and
+ * tcon learned the mux protocoll. A few more bugs in
+ * network.c fixed. Tcon has Mux arrays, Protocoll is '\0'
+ * free.
+ * 08.01.94 -- 3.05.96 More tcon work. Solaris debugging.
+ *
+ * 14.01.94 -- 3.05.05 New FindSocket() code. Nicer socket handling.
+ * 20.01.94 -- 3.05.06 New attribute handling code. NeXT fixes.
+ * 04.02.94 -- 3.05.07 Ugly bug in ScrollH fixed. Keymap defaults.
+ * 10.03.94 -- 3.05.97 'defsilence' by Lloyd Zusman. Zombie resurrekt key.
+ * -b, -p options. Fixed Compilekeys(), gulp. config.h
+ * allows choice of VMIN/VTIME/NDELAY for ttys.
+ * 13.04.94 -- 3.05.08 Kanji bug fixed. POSIX sigaction support.
+ * os.h cleanup. UTNOKEEP splitted into
+ * UT_CLOSE and UT_UNSORTED. linux no longer
+ * implies UT_CLOSE. "struct display" name
+ * convention change: _d_ to d_ and d_ to D_.
+ * 20.04.94 -- 3.05.09 configure.in ptyrange bug fixed. Upgraded
+ * to autoconf-1.8
+ * 27.04.94 -- 3.05.10 97801 obscure code support. Linux long
+ * password workaround.
+ * 09.05.94 -- 3.05.11 seteuid() support added. Security fixes.
+ * _IBMR2 kludge makes call to sleep obsolete.
+ * Small fixes in uname() code. djm suggests replace of
+ * BSDI by __bsdi__.
+ * 27.07.94 -- 3.05.12 seteuid attacher bug fixed. ks/ke changed
+ * in termcap/info and termcap.c
+ * 01.09.94 -- 3.05.58 (There are a few more patches to come, subtracted 40)
+ * breaktype command to select how we cause breaks.
+ * Testing logfile.c. Manual and texinfo documentation
+ * updated to explain all new commands except keymapping.
+ * Added modem lines to info of plain ttys. Using
+ * cfset{i,o}speed() for POSIX is better, much better.
+ * 07.09.94 -- 3.05.59 Flushing logfiles every 5 seconds. Testing new
+ * resize linewrap code. Resize with care.
+ * Resurrect now displays its command string.
+ * 11.09.94 -- 3.05.60 Lines are now correctly wrapped, when window size
+ * changes; this prevents loss of text.
+ * 15.09.94 -- 3.05.61 umask renamed to aclumask, bell renamed to bell_msg.
+ * *_msg commands show message when called w/o parameter.
+ * Many changes in the manual, thanks to Sven Guckes.
+ * -O removed.
+ * 27.09.94 -- 3.05.13 defwlock stupidity fixed. MakeTermcap ks/ke
+ * ':' removed. Termcap entry improved.
+ * copy_reg and ins_reg obsoleted by better paste command:
+ * paste => paste .
+ * copy_reg r => paste . r
+ * ins_reg r => paste r
+ * ins_reg => paste
+ * 18.10.94 -- 3.05.62 breaktype changed. -L option added to enable logging
+ * from both command line and screenrc. SIGXFSZ ignored.
+ * 28.11.94 -- 3.05.63 ACL's sharpened. No user has any rights, unless
+ * explicitly given. Only two exceptions: 1) "acladd user"
+ * without further parameters. 2) Evry user has a default
+ * umask that gives himself all permissions on the windows
+ * he creates. Bug with colon input on shared windows fixed.
+ * The commad is now executed by the user typing the final
+ * Enter-Key rather by a random user.
+ * 30.11.94 -- 3.05.64 On demand grabbing of pending auto writelocks.
+ * Solaris troubles us with kill(pid, 0) ... not fixed...
+ * defbreaktype added. (breaktype is also global, still...)
+ * SIGARGHACK cleared, to pamper poor little Ultrix4.4 cfe.
+ * defescape added.
+ * w_status changed to w_hstatus, it's a #define in
+ * Domain/OS reported by ejackson@iastate.edu.
+ * 05.12.94 -- 3.05.17 SVR4 pty bug fixed, don't update window status
+ * line if not changed, onyx support. Manual
+ * pages updated.
+ * 14.12.94 -- 3.05.18 w_status changed to w_hstatus, it's a #define in
+ * Domain/OS reported by ejackson@iastate.edu.
+ * Screen manpage patches by larry.
+ * Ugly seteuid bug in ForkWindow() fixed.
+ * 20.12.94 -- 3.06.00 Solaris has broken seteuid().
+ * osf loadav patches. -- DISTRIBUTED
+ * 08.01.95 -- 3.05.65 Bug with LOGOUTOK and -ln fixed. redundant secfopen()
+ * avoided, when logfflush() looks at delayed nfs updates.
+ * Option parser now allowes condensed options. -A fixed.
+ * New commands 'preselect' and 'defpreselect'. New option
+ * -WdmS starts a detached screen session with watchdog.
+ * 16.01.95 -- 3.06.01 KANJI patch. doc/Makefile.in fixed.
+ * Install now calls doc/Makefile install.
+ * Don't use 'ds' too often, breaks MSkermit.
+ * undef'd LOGOUTOK logs in now.
+ * Ultrix is broken, too (seteuid).
+ * Use \r (not \n) to join lines in pastebuf.
+ * bindkey can now remove sequences.
+ * InitTTY fixed for PLAIN. -- DISTRIBUTED
+ * 06.02.95 -- 3.05.66 DisplayLine() does now clipping to reduce coredump-
+ * frequency. Window size is adapted to the display that
+ * types input, to reduce multi-user confusion. Scrollback
+ * mode still may get the wrong size.
+ * 07.02.95 -- 3.05.67 WinRewrite() also needs to clip. Users without unix
+ * account, but with screen password allowed. Chacl
+ * allows password change, su prompts for user name too.
+ * 01.03.95 -- 3.05.68 Leaving a window may now cause a resize to match a
+ * remaining display. Simple ESC-CR fix in the vt100
+ * state machine.
+ * 26.03.95 -- 3.05.69 Markroutine() needs to resize the window to avoid
+ * coredumps, just like WinProcess() already does.
+ * More NEED_ flags added in comm.c to avoid coredumps.
+ * 04.04.95 -- 3.06.02 Simple ESC-CR fix in the vt100 state machine.
+ * Now compiles again with all extras disabled.
+ * Zombie resurrect added. defc1, defgr, defkanji
+ * added. Screen now replies to a secondary DA
+ * query. Some missing NEED_XXX added in comm.c.
+ * Better default tty permissions/group test.
+ * More AUX support, now compiles with POSIX.
+ * Function keycodes xtermified (F11, F12).
+ * Paste bug fixed (only worked with KANJI).
+ * Check bcopy before memcpy/memmove.
+ * FindSocket code much fixed & improved.
+ * 10.04.95 -- 3.05.70 Display_displays() now shows the users permissions on
+ * the currently displayed window, this is easier than a
+ * full featured lsacl, but also helps. chacl can now copy
+ * users, but we need to copy windows.
+ * 26.04.95 -- 3.05.71 Multi digit screen numbers in utmp. MakeWindow() now
+ * echoes what it does, just like RemakeWindow() when
+ * 'verbose on' (default off).
+ * `screen -ls myname/' will find own(!) non-multi sessions.
+ * Command line option -q improved and documented.
+ * 'debug off' also shuts attacher debugging off now.
+ * 03.05.95 -- 3.05.72 'connect' command bugfixed. colon prompt improved.
+ * open(O_NONBLOCK) does not work on 4.1.3, using O_NDELAY.
+ * There are writes to exp_wid2chan[-1], XXX I just added
+ * fillers to the mux structure, please debug this ASAP!
+ * WindowByName() prefers exact matches now. Esc forwarding
+ * from Frontend to Backend suppressed unless specified.
+ * 26.06.95 -- 3.05.73 Improving the combination of dflag and rflag: If both
+ * are set, a screen session is reattached, regardless
+ * if it was previously detached or attached elseewhere.
+ * "screen -D -RR" is thus most powerful: Give me my screen
+ * session here and now. No matter, if this means creating
+ * a new session (due to the second R without warning
+ * message), detching the session first (and due to the
+ * capitalised D logging out), or simply attaching to it.
+ * 13.07.95 -- 3.05.74 Markroutine learned new join mode: comma seperated.
+ * Can disable the detach feature from config.h.
+ * Configure.in now calls etc/toolcheck. Password is no
+ * longer a static array.
+ * 30.07.95 -- 3.05.75 Karl Heuer wants to install with a relative symlink.
+ * Command line option -k removed (try -t).
+ * 31.08.95 -- 3.06.03 Color support, digraph command, code
+ * cleanup (struct mchar/mline added).
+ * 03.09.95 -- 3.06.04 SetRendition display check. Solaris unblock
+ * SIGHUP. w_curchar->w_rend, lintified.
+ * Shadow-password code moved and rewritten
+ * (includes sun C2).
+ * 06.09.95 -- 3.05.76 Added support for braille displays (by Hadi Bargi Rangin
+ * and Bill Barry, {bargy,barryb}@dots.physics.orst.edu
+ * Added baud, cs8, istrip, ixon, ixoff options for plain
+ * tty windows. Untested.
+ * 09.09.95 -- 3.07.99 Merged 3.7.76 back into the main distribution but
+ * without network, blankwindow and dlist support.
+ * Global variable Password removed.
+ * Resize code completely rewritten.
+ * New commands: sorendition, (def)charset.
+ * strftime-like message generation.
+ * 26.09.95 -- 3.06.05 resize code completely rewritten.
+ * Very visible cursor added. vbell sequence
+ * \Eb added. _delay for terminfo libs added
+ * to make the padding work for the first time.
+ * New ProcessInput() makes "command command"
+ * work. '[def]escape ""' clears escape chars.
+ * Changed logdir command to logfile. It now uses
+ * MakeWinMsg() to create the filename.
+ * Updated the manuals.
+ * 03.10.95 -- 3.08.00 Merged 3.07.99 back into my 3.06.05.
+ * pause removed. NONROOT now in config.h.
+ * sysV68 configure test. Socket protocol got
+ * revision number. New command termcapinfo.
+ * Screenrcs, docs & configure.in updated
+ * 18.10.95 -- 3.08.01 Info shows parser state.
+ * Very visible cursor added. vbell sequence
+ * \Eb added. _delay for terminfo libs added
+ * to make the padding work for the first time.
+ * Braille code almost completely reworked.
+ * New ProcessInput() makes "command command"
+ * work. '[def]escape ""' clears escape chars.
+ * Command logdir -> logfile and uses MakeWinMsg.
+ * Updated the manuals. New mark command 'x'.
+ * stuff has new "-k" parameter.
+ * 28.10.95 -- 3.06.06 Added new 'XC' capability to provide
+ * a method for character translation.
+ * 17.11.95 -- 3.07.00 Added CheckEscape() function.
+ * acl -> acls because of hpux10 nameclash
+ * /stand/vmunix added to kernel list (hpux10)
+ * stripdev changed to translate
+ * /dev/pts<n> to /dev/pts/<n> (unixware)
+ * -lgen added to GETUTENT configure test.
+ * 20.11.95 -- 3.07.01 corrected vbell null ptr reference.
+ * -- DISTRIBUTED
+ * 27.11.95 -- 3.08.02 Added CheckEscape() function.
+ * acl -> acls because of hpux10 nameclash
+ * /stand/vmunix added to kernel list (hpux10)
+ * stripdev changed to translate
+ * /dev/pts<n> to /dev/pts/<n> (unixware)
+ * -lgen added to GETUTENT configure test.
+ * corrected vbell null ptr reference
+ * -- 3.08.03 etc/toolcheck is now shouting louder.
+ * Solaris 2.5 has /kernel/genunix.
+ * Touching socket when detach/attach.
+ * FindWindow corrected. AIX4 patch
+ * from robert@mayday.cix.co.uk.
+ * 1.09.96 -- 3.07.02 added #ifdef MAPKEYS for CheckEscape.
+ * etc/toolcheck is now shouting louder.
+ * Touching socket when detach/attach.
+ * Linux tcflush hack. Linux md5 password suport.
+ * USE_SGR support for dumb (wyse) terminals.
+ * "at" and "reset" commands improved.
+ * Now sensitive to broken AIX4 TIOCPKT.
+ * tek patch unapplied.
+ * linux utmp patch: set slot to DEAD_PROCESS.
+ * include signal.h for killpg if hpux10.10.
+ * linux: elf, but no SVR4, check for utmpx.
+ * hpux10.10 libcurses breaks select()!
+ * -- DISTRIBUTED
+ * 27.09.96 -- 3.07.03 ncurses tgetflag returns -1 if cap not valid.
+ * autonuke fix: reset application mode. An init
+ * string may have cleared it.
+ * Small UTMPOK patch from Douglas B. Jones.
+ * 23.06.97 -- 3.07.04 Some bugfixes. Kanji fixed.
+ * Code update from 3.8.6: Colon line editing added.
+ * Digraph made line-editing resistant.
+ * DEC ALPHA ut_user[0] = 0;
+ * Added error messages to exit_with_usage.
+ * FindSocket code improved (the MULTIUSER part).
+ * Use utimes() if available. Power-detached start.
+ * vsnprintf() support. exit -> _exit in window.c.
+ * AddXChars now tolerates NULL string.
+ * -- DISTRIBUTED
+ * 10.11.98 -- 3.07.05 Wayne's resize.c patch to keep the cursor
+ * onscreen. FindWindow corrected. AIX4 patch
+ * from robert@mayday.cix.co.uk.
+ * Fixed kanji am & markcursor bugs.
+ * SCO support (Gert Doering).
+ * Wayne's statusline extra space. New flag nospc
+ * for MakeWinMsg. New TF capability: add missing
+ * termcap/info caps. screen-exchange security
+ * fix. Use kstat for Solaris' loadavg.
+ * Check for mode 775 if screen runs setgid.
+ * Fixed typo in silence command.
+ * Allow detach with no tty. HPUX10.20 ltchars
+ * hack. Use @1/@7 as replacement for kh/kH.
+ * Use seteuid before calling tgetent.
+ * Check for displays in Msg().
+ * Linux ncurses hack: redefine _nc_timed_wait.
+ * Configure check for ncurses (sigh).
+ * ITOH Yasufumi: kanji fixes, osf support,
+ * bug fixes. More secure Rewrite().
+ * Increased line buffer size to 2048 bytes.
+ * SCO-5 Fixes (Brian L. Gentry).
+ * 25.11.98 -- 3.07.06 resize code now handles tabs correctly.
+ * -- DISTRIBUTED
+ * -- 3.09.00 loads'o'bugs fixed, 3.8 merged with 3.7.
+ * new region clip code.
+ * Many new features (see NEWS file).
+ * 3.08.99 -- 3.09.02 -- DISTRIBUTED
+ * 11.08.99 -- 3.09.04 small utmp fix, BSD chflags fix, tty mode fix
+ * -- DISTRIBUTED
+ * 1.09.99 -- 3.09.05 linux SVR4_PTYS fixes, better ShowWindos(),
+ * Panic() displays bug fixed, strerror fixed,
+ * missing $srcdir & bad prefix in Makefiles.
+ * console grabbing with SRIOCSREDIR.
+ * linux utmp workaround added. Some KANJI bugs
+ * fixed. Stupid StuffKey() bug fixed.
+ * -- DISTRIBUTED
+ * 24.07.00 -- 3.09.06 kanji fixes. lock escape char fix.
+ * removed delayed message hack.
+ * resize command & focus subcomands by joze.
+ * fix for solaris' utmp_helper bug.
+ * linux tty handling fix.
+ * mousetracking, rxvt osc sequences.
+ * background color erase support.
+ * don't log user in after hangup.
+ * hstatus escape update bug fixed.
+ * 1.09.00 -- 3.09.08 -- DISTRIBUTED
+ * 25.05.01 -- 3.09.09 use $DESTDIR in Makefiles.
+ * renamed struct user to acluser to fix hpux
+ * problem for good. utf8 support. 16 color
+ * support. New -X option and escape sequence
+ * to send screen commands.
+ * New commands: attrcolor, defutf8, dinfo, utf8.
+ * Extended commands: width, height, readbuf,
+ * writebuf. Better nlist64 detection.
+ * New config.h option SOCKDIR_IS_LOCAL_TO_HOST.
+ * Don't call tputs with an empty string.
+ * New string escape %{ for attr/color changes.
+ * LRefreshAll bug fixed (0 instead of -1 as bce).
+ * New quote handling in Parse(). Workaround for
+ * some bad termcap/info entries added. Set BE
+ * for all xtermish emulators. Added '0x' and
+ * 'U+' prefix in digraph command. LOADAV_TYPE
+ * detection fixed.
+ * -- DISTRIBUTED
+ * 4.09.01 -- 3.09.10 '-R' security fix. Fixed array in MScrollV().
+ * -- DISTRIBUTED
+ * Reset charset after 'me'.
+ * 14.02.02 -- 3.09.11 Support for other encodings. Double width
+ * utf-8 chars. 'L' modifier for %D, %M, %w
+ * and %W. New %= (hfill), %H (hostname),
+ * %f (flags), %F (focus) escapes. New commands
+ * source, windowlist, deflog. Command key classes.
+ * New login state: always. Time format
+ * changeable. 256 color support.
+ * Updated digraph table. Ignorecase.
+ * Windowlist resizeable on blank window.
+ * Added encoding to paste buffers.
+ * Hpux loadtype detection fixed.
+ * Disabled im/ic warning. Fixed a bug that
+ * could cause window lockups in rare
+ * circumstances. Made hangup signal to the
+ * backend process detach all displays.
+ * New escapes %< %>, + and - flag for %w.
+ * Added eval command, added -h option to detach.
+ * Also set flayer when processing -X commands.
+ * use getpt() on linux systems. doc patches from
+ * Adam Lazur. tty flow/intr cleanup.
+ * -- DISTRIBUTED
+ * 29.08.2002 3.09.12 Port to POSIX 1003.1-2001 hosts (Paul Eggert).
+ * Fixed encoding for reattach password test.
+ * Fixed NUL characters when encodings are active.
+ * Fixed silly encodings bugs. Fixed bogus
+ * oldflayer when a window gets freed.
+ * Altscreen support by Gurusamy Sarathy.
+ * Reuse old password in builtin_screenlock.
+ * -- DISTRIBUTED
+ * 05.09.2002 3.09.13 added missing break statement that broke
+ * the eval command.
+ * -- DISTRIBUTED
+ * 13.03.2003 3.09.15 Console workaround for linux. Scrolling-region
+ * reset fix. GBK encoding added.
+ * support for unicode combining characters added.
+ * openpty() support added (thomas@xs4all.nl).
+ * preselect of blank window ('-') or window
+ * list ('=') added. Added %` string escape
+ * and backtick command.
+ * -- DISTRIBUTED
+ * 08.09.2003 4.00.00 rewrote nonblock command, added defnonblock.
+ * added zmodem support (catch & passthrough).
+ * added screenblanker.
+ * fixed a couple of GBK bugs.
+ * rewrote command parsing.
+ * added -m option to windowlist (Felix Rosencrantz)
+ * -- DISTRIBUTED
+ * 18.09.2003 4.00.01 fixed two small bugs in the new parser.
+ * -- DISTRIBUTED
+ * 05.12.2003 4.00.02 fixed a bug in the ansi parser. fixed execs
+ * on ttys. fixed hardstatus line on blanked screen.
+ * -- DISTRIBUTED
+ * 11.10.2004, 4.00.03jw handle StartRc errors nonfatal if due to a msg.
+ * 12.10.2004, 4.00.03jw1 let docu of 'split' 'focus' 'remove' and 'only' refer to each other.
+ * 01.11.2004, 4.00.03jw2 zombie command has new option 'onerror'
+ * 2005-12-19, 4.00.03jw3 syntax error.
+*/
+
+#define ORIGIN "GNU"
+#define REV 4
+#define VERS 6
+#define PATCHLEVEL 2
+#define DATE "23-Oct-17"
+#define STATE ""