Adding upstream version 2:9.1.0016.upstream/2%9.1.0016

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2034 insertions, 0 deletions

diff --git a/src/globals.h b/src/globals.h
new file mode 100644
index 0000000..b74ef35
--- /dev/null
+++ b/src/globals.h
@@ -0,0 +1,2034 @@
+/* vi:set ts=8 sts=4 sw=4 noet:
+ *
+ * VIM - Vi IMproved	by Bram Moolenaar
+ *
+ * Do ":help uganda"  in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ */
+
+/*
+ * definition of global variables
+ */
+
+/*
+ * Number of Rows and Columns in the screen.
+ * Must be long to be able to use them as options in option.c.
+ * Note: Use screen_Rows and screen_Columns to access items in ScreenLines[].
+ * They may have different values when the screen wasn't (re)allocated yet
+ * after setting Rows or Columns (e.g., when starting up).
+ */
+EXTERN long	Rows			// nr of rows in the screen
+#ifdef DO_INIT
+# if defined(MSWIN)
+		    = 25L
+# else
+		    = 24L
+# endif
+#endif
+		    ;
+EXTERN long	Columns INIT(= 80);	// nr of columns in the screen
+
+/*
+ * The characters that are currently on the screen are kept in ScreenLines[].
+ * It is a single block of characters, the size of the screen plus one line.
+ * The attributes for those characters are kept in ScreenAttrs[].
+ * The virtual column in the line is kept in ScreenCols[].
+ *
+ * "LineOffset[n]" is the offset from ScreenLines[] for the start of line 'n'.
+ * The same value is used for ScreenLinesUC[], ScreenAttrs[] and ScreenCols[].
+ *
+ * Note: before the screen is initialized and when out of memory these can be
+ * NULL.
+ */
+EXTERN schar_T	*ScreenLines INIT(= NULL);
+EXTERN sattr_T	*ScreenAttrs INIT(= NULL);
+EXTERN colnr_T  *ScreenCols INIT(= NULL);
+EXTERN unsigned	*LineOffset INIT(= NULL);
+EXTERN char_u	*LineWraps INIT(= NULL);	// line wraps to next line
+
+/*
+ * When using Unicode characters (in UTF-8 encoding) the character in
+ * ScreenLinesUC[] contains the Unicode for the character at this position, or
+ * NUL when the character in ScreenLines[] is to be used (ASCII char).
+ * The composing characters are to be drawn on top of the original character.
+ * ScreenLinesC[0][off] is only to be used when ScreenLinesUC[off] != 0.
+ * Note: These three are only allocated when enc_utf8 is set!
+ */
+EXTERN u8char_T	*ScreenLinesUC INIT(= NULL);	// decoded UTF-8 characters
+EXTERN u8char_T	*ScreenLinesC[MAX_MCO];		// composing characters
+EXTERN int	Screen_mco INIT(= 0);		// value of p_mco used when
+						// allocating ScreenLinesC[]
+
+// Only used for euc-jp: Second byte of a character that starts with 0x8e.
+// These are single-width.
+EXTERN schar_T	*ScreenLines2 INIT(= NULL);
+
+/*
+ * One screen line to be displayed.  Points into ScreenLines.
+ */
+EXTERN schar_T	*current_ScreenLine INIT(= NULL);
+
+/*
+ * Last known cursor position.
+ * Positioning the cursor is reduced by remembering the last position.
+ * Mostly used by windgoto() and screen_char().
+ */
+EXTERN int	screen_cur_row INIT(= 0);
+EXTERN int	screen_cur_col INIT(= 0);
+
+#ifdef FEAT_SEARCH_EXTRA
+// used for 'hlsearch' highlight matching
+EXTERN match_T	screen_search_hl;
+
+// last lnum where CurSearch was displayed
+EXTERN linenr_T search_hl_has_cursor_lnum INIT(= 0);
+
+// don't use 'hlsearch' temporarily
+EXTERN int	no_hlsearch INIT(= FALSE);
+#endif
+
+#ifdef FEAT_FOLDING
+EXTERN foldinfo_T win_foldinfo;	// info for 'foldcolumn'
+#endif
+
+// Flag that is set when drawing for a callback, not from the main command
+// loop.
+EXTERN int redrawing_for_callback INIT(= 0);
+
+/*
+ * Indexes for tab page line:
+ *	N > 0 for label of tab page N
+ *	N == 0 for no label
+ *	N < 0 for closing tab page -N
+ *	N == -999 for closing current tab page
+ */
+EXTERN short	*TabPageIdxs INIT(= NULL);
+
+#ifdef FEAT_PROP_POPUP
+// Array with size Rows x Columns containing zindex of popups.
+EXTERN short	*popup_mask INIT(= NULL);
+EXTERN short	*popup_mask_next INIT(= NULL);
+// Array with flags for transparent cells of current popup.
+EXTERN char	*popup_transparent INIT(= NULL);
+
+// Flag set to TRUE when popup_mask needs to be updated.
+EXTERN int	popup_mask_refresh INIT(= TRUE);
+
+// Tab that was used to fill popup_mask.
+EXTERN tabpage_T *popup_mask_tab INIT(= NULL);
+
+// Zindex in for screen_char(): if lower than the value in "popup_mask"
+// drawing the character is skipped.
+EXTERN int	screen_zindex INIT(= 0);
+#endif
+
+EXTERN int	screen_Rows INIT(= 0);	    // actual size of ScreenLines[]
+EXTERN int	screen_Columns INIT(= 0);   // actual size of ScreenLines[]
+
+/*
+ * When vgetc() is called, it sets mod_mask to the set of modifiers that are
+ * held down based on the MOD_MASK_* symbols that are read first.
+ */
+EXTERN int	mod_mask INIT(= 0);		// current key modifiers
+
+// The value of "mod_mask" and the unomdified character before calling
+// merge_modifyOtherKeys().
+EXTERN int	vgetc_mod_mask INIT(= 0);
+EXTERN int	vgetc_char INIT(= 0);
+
+/*
+ * Cmdline_row is the row where the command line starts, just below the
+ * last window.
+ * When the cmdline gets longer than the available space the screen gets
+ * scrolled up. After a CTRL-D (show matches), after hitting ':' after
+ * "hit return", and for the :global command, the command line is
+ * temporarily moved.  The old position is restored with the next call to
+ * update_screen().
+ */
+EXTERN int	cmdline_row;
+
+EXTERN int	redraw_cmdline INIT(= FALSE);	// cmdline must be redrawn
+EXTERN int	redraw_mode INIT(= FALSE);	// mode must be redrawn
+EXTERN int	clear_cmdline INIT(= FALSE);	// cmdline must be cleared
+EXTERN int	mode_displayed INIT(= FALSE);	// mode is being displayed
+EXTERN int	no_win_do_lines_ins INIT(= FALSE); // don't insert lines
+#if defined(FEAT_CRYPT) || defined(FEAT_EVAL)
+EXTERN int	cmdline_star INIT(= FALSE);	// cmdline is crypted
+#endif
+
+EXTERN int	exec_from_reg INIT(= FALSE);	// executing register
+
+EXTERN int	screen_cleared INIT(= FALSE);	// screen has been cleared
+
+/*
+ * When '$' is included in 'cpoptions' option set:
+ * When a change command is given that deletes only part of a line, a dollar
+ * is put at the end of the changed text. dollar_vcol is set to the virtual
+ * column of this '$'.  -1 is used to indicate no $ is being displayed.
+ */
+EXTERN colnr_T	dollar_vcol INIT(= -1);
+
+/*
+ * Variables for Insert mode completion.
+ */
+
+EXTERN char_u	*edit_submode INIT(= NULL); // msg for CTRL-X submode
+EXTERN char_u	*edit_submode_pre INIT(= NULL); // prepended to edit_submode
+EXTERN char_u	*edit_submode_extra INIT(= NULL);// appended to edit_submode
+EXTERN hlf_T	edit_submode_highl;	// highl. method for extra info
+
+/*
+ * Functions for putting characters in the command line,
+ * while keeping ScreenLines[] updated.
+ */
+#ifdef FEAT_RIGHTLEFT
+EXTERN int	cmdmsg_rl INIT(= FALSE);    // cmdline is drawn right to left
+#endif
+EXTERN int	msg_col;
+EXTERN int	msg_row;
+EXTERN int	msg_scrolled;	// Number of screen lines that windows have
+				// scrolled because of printing messages.
+EXTERN int	msg_scrolled_ign INIT(= FALSE);
+				// when TRUE don't set need_wait_return in
+				// msg_puts_attr() when msg_scrolled is
+				// non-zero
+
+EXTERN char_u	*keep_msg INIT(= NULL);	    // msg to be shown after redraw
+EXTERN int	keep_msg_attr INIT(= 0);    // highlight attr for keep_msg
+EXTERN int	keep_msg_more INIT(= FALSE); // keep_msg was set by msgmore()
+EXTERN int	need_fileinfo INIT(= FALSE);// do fileinfo() after redraw
+EXTERN int	msg_scroll INIT(= FALSE);   // msg_start() will scroll
+EXTERN int	msg_didout INIT(= FALSE);   // msg_outstr() was used in line
+EXTERN int	msg_didany INIT(= FALSE);   // msg_outstr() was used at all
+EXTERN int	msg_nowait INIT(= FALSE);   // don't wait for this msg
+EXTERN int	emsg_off INIT(= 0);	    // don't display errors for now,
+					    // unless 'debug' is set.
+EXTERN int	info_message INIT(= FALSE); // printing informative message
+EXTERN int      msg_hist_off INIT(= FALSE); // don't add messages to history
+#ifdef FEAT_EVAL
+EXTERN int	need_clr_eos INIT(= FALSE); // need to clear text before
+					    // displaying a message.
+EXTERN int	emsg_skip INIT(= 0);	    // don't display errors for
+					    // expression that is skipped
+EXTERN int	emsg_severe INIT(= FALSE);  // use message of next of several
+					    // emsg() calls for throw
+// used by assert_fails()
+EXTERN char_u	*emsg_assert_fails_msg INIT(= NULL);
+EXTERN long	emsg_assert_fails_lnum INIT(= 0);
+EXTERN char_u	*emsg_assert_fails_context INIT(= NULL);
+
+EXTERN int	did_endif INIT(= FALSE);    // just had ":endif"
+#endif
+EXTERN int	did_emsg;		    // incremented by emsg() when a
+					    // message is displayed or thrown
+#ifdef FEAT_EVAL
+EXTERN int	did_emsg_silent INIT(= 0);  // incremented by emsg() when
+					    // emsg_silent was set and did_emsg
+					    // is not incremented
+EXTERN int	did_emsg_def;		    // set by emsg() when emsg_silent
+					    // is set before calling a function
+EXTERN int	did_emsg_cumul;		    // cumulative did_emsg, increased
+					    // when did_emsg is reset.
+EXTERN int	called_vim_beep;	    // set if vim_beep() is called
+EXTERN int	uncaught_emsg;		    // number of times emsg() was
+					    // called and did show a message
+#endif
+EXTERN int	did_emsg_syntax;	    // did_emsg set because of a
+					    // syntax error
+EXTERN int	called_emsg;		    // always incremented by emsg()
+EXTERN int	in_echowindow;		    // executing ":echowindow"
+EXTERN int	ex_exitval INIT(= 0);	    // exit value for ex mode
+EXTERN int	emsg_on_display INIT(= FALSE);	// there is an error message
+EXTERN int	rc_did_emsg INIT(= FALSE);  // vim_regcomp() called emsg()
+
+EXTERN int	no_wait_return INIT(= 0);   // don't wait for return for now
+EXTERN int	need_wait_return INIT(= 0); // need to wait for return later
+EXTERN int	did_wait_return INIT(= FALSE);	// wait_return() was used and
+						// nothing written since then
+EXTERN int	need_maketitle INIT(= TRUE); // call maketitle() soon
+
+EXTERN int	quit_more INIT(= FALSE);    // 'q' hit at "--more--" msg
+#if defined(UNIX) || defined(VMS) || defined(MACOS_X)
+EXTERN int	newline_on_exit INIT(= FALSE);	// did msg in altern. screen
+EXTERN int	intr_char INIT(= 0);	    // extra interrupt character
+#endif
+#if (defined(UNIX) || defined(VMS)) && defined(FEAT_X11)
+EXTERN int	x_no_connect INIT(= FALSE); // don't connect to X server
+# if defined(FEAT_CLIENTSERVER)
+EXTERN int	x_force_connect INIT(= FALSE);	// Do connect to X server.
+						// Overrules x_no_connect and
+						// "exclude" in 'clipboard'.
+# endif
+#endif
+EXTERN int	ex_keep_indent INIT(= FALSE); // getexmodeline(): keep indent
+EXTERN int	vgetc_busy INIT(= 0);	      // when inside vgetc() then > 0
+
+EXTERN int	didset_vim INIT(= FALSE);	    // did set $VIM ourselves
+EXTERN int	didset_vimruntime INIT(= FALSE);    // idem for $VIMRUNTIME
+
+/*
+ * Lines left before a "more" message.	Ex mode needs to be able to reset this
+ * after you type something.
+ */
+EXTERN int	lines_left INIT(= -1);	    // lines left for listing
+EXTERN int	msg_no_more INIT(= FALSE);  // don't use more prompt, truncate
+					    // messages
+
+/*
+ * Stack of execution contexts.  Each entry is an estack_T.
+ * Current context is at ga_len - 1.
+ */
+EXTERN garray_T	exestack INIT5(0, 0, sizeof(estack_T), 50, NULL);
+#define HAVE_SOURCING_INFO  (exestack.ga_data != NULL && exestack.ga_len > 0)
+// name of error message source
+#define SOURCING_NAME (((estack_T *)exestack.ga_data)[exestack.ga_len - 1].es_name)
+// line number in the message source or zero
+#define SOURCING_LNUM (((estack_T *)exestack.ga_data)[exestack.ga_len - 1].es_lnum)
+
+// Script CTX being sourced or was sourced to define the current function.
+EXTERN sctx_T	current_sctx
+#ifdef FEAT_EVAL
+    INIT4(0, 0, 0, 0);
+#else
+    INIT(= {0});
+#endif
+
+#ifdef FEAT_EVAL
+// whether inside compile_def_function()
+EXTERN int	estack_compiling INIT(= FALSE);
+
+EXTERN int	ex_nesting_level INIT(= 0);	// nesting level
+EXTERN int	debug_break_level INIT(= -1);	// break below this level
+EXTERN int	debug_did_msg INIT(= FALSE);	// did "debug mode" message
+EXTERN int	debug_tick INIT(= 0);		// breakpoint change count
+EXTERN int	debug_backtrace_level INIT(= 0); // breakpoint backtrace level
+# ifdef FEAT_PROFILE
+EXTERN int	do_profiling INIT(= PROF_NONE);	// PROF_ values
+# endif
+EXTERN garray_T script_items INIT5(0, 0, sizeof(scriptitem_T *), 20, NULL);
+# define SCRIPT_ITEM(id)    (((scriptitem_T **)script_items.ga_data)[(id) - 1])
+# define SCRIPT_ID_VALID(id)    ((id) > 0 && (id) <= script_items.ga_len)
+# define SCRIPT_SV(id)		(SCRIPT_ITEM(id)->sn_vars)
+# define SCRIPT_VARS(id)	(SCRIPT_SV(id)->sv_dict.dv_hashtab)
+
+# define FUNCLINE(fp, j)	((char_u **)(fp->uf_lines.ga_data))[j]
+
+/*
+ * The exception currently being thrown.  Used to pass an exception to
+ * a different cstack.  Also used for discarding an exception before it is
+ * caught or made pending.  Only valid when did_throw is TRUE.
+ */
+EXTERN except_T *current_exception;
+
+/*
+ * did_throw: An exception is being thrown.  Reset when the exception is caught
+ * or as long as it is pending in a finally clause.
+ */
+EXTERN int did_throw INIT(= FALSE);
+
+/*
+ * need_rethrow: set to TRUE when a throw that cannot be handled in do_cmdline()
+ * must be propagated to the cstack of the previously called do_cmdline().
+ */
+EXTERN int need_rethrow INIT(= FALSE);
+
+/*
+ * check_cstack: set to TRUE when a ":finish" or ":return" that cannot be
+ * handled in do_cmdline() must be propagated to the cstack of the previously
+ * called do_cmdline().
+ */
+EXTERN int check_cstack INIT(= FALSE);
+
+/*
+ * Number of nested try conditionals (across function calls and ":source"
+ * commands).
+ */
+EXTERN int trylevel INIT(= 0);
+
+/*
+ * When "force_abort" is TRUE, always skip commands after an error message,
+ * even after the outermost ":endif", ":endwhile" or ":endfor" or for a
+ * function without the "abort" flag.  It is set to TRUE when "trylevel" is
+ * non-zero (and ":silent!" was not used) or an exception is being thrown at
+ * the time an error is detected.  It is set to FALSE when "trylevel" gets
+ * zero again and there was no error or interrupt or throw.
+ */
+EXTERN int force_abort INIT(= FALSE);
+
+/*
+ * "msg_list" points to a variable in the stack of do_cmdline() which keeps
+ * the list of arguments of several emsg() calls, one of which is to be
+ * converted to an error exception immediately after the failing command
+ * returns.  The message to be used for the exception value is pointed to by
+ * the "throw_msg" field of the first element in the list.  It is usually the
+ * same as the "msg" field of that element, but can be identical to the "msg"
+ * field of a later list element, when the "emsg_severe" flag was set when the
+ * emsg() call was made.
+ */
+EXTERN msglist_T **msg_list INIT(= NULL);
+
+/*
+ * suppress_errthrow: When TRUE, don't convert an error to an exception.  Used
+ * when displaying the interrupt message or reporting an exception that is still
+ * uncaught at the top level (which has already been discarded then).  Also used
+ * for the error message when no exception can be thrown.
+ */
+EXTERN int suppress_errthrow INIT(= FALSE);
+
+/*
+ * The stack of all caught and not finished exceptions.  The exception on the
+ * top of the stack is the one got by evaluation of v:exception.  The complete
+ * stack of all caught and pending exceptions is embedded in the various
+ * cstacks; the pending exceptions, however, are not on the caught stack.
+ */
+EXTERN except_T *caught_stack INIT(= NULL);
+
+/*
+ * Garbage collection can only take place when we are sure there are no Lists
+ * or Dictionaries being used internally.  This is flagged with
+ * "may_garbage_collect" when we are at the toplevel.
+ * "want_garbage_collect" is set by the garbagecollect() function, which means
+ * we do garbage collection before waiting for a char at the toplevel.
+ * "garbage_collect_at_exit" indicates garbagecollect(1) was called.
+ */
+EXTERN int	may_garbage_collect INIT(= FALSE);
+EXTERN int	want_garbage_collect INIT(= FALSE);
+EXTERN int	garbage_collect_at_exit INIT(= FALSE);
+
+
+// Array with predefined commonly used types.
+//
+// For each entry of a regular type the next one has the "const" version.
+// E.g. "&t_const_bool == &t_bool + 1"
+
+// t_unknown - used for when the type is really unknown, e.g. global variables.
+// Also for when a function may or may not return something.
+#define t_unknown		(static_types[0])
+#define t_const_unknown		(static_types[1])
+
+// t_any -  used for when the type can be anything, but excludes "void".
+#define t_any			(static_types[2])
+#define t_const_any		(static_types[3])
+
+// t_void - used for a function not returning anything.
+#define t_void			(static_types[4])
+#define t_const_void		(static_types[5])
+
+#define t_bool			(static_types[6])
+#define t_const_bool		(static_types[7])
+
+#define t_null			(static_types[8])
+#define t_const_null		(static_types[9])
+
+#define t_none			(static_types[10])
+#define t_const_none		(static_types[11])
+
+#define t_number		(static_types[12])
+#define t_const_number		(static_types[13])
+
+// t_number_bool - number that can be used as a bool
+#define t_number_bool		(static_types[14])
+#define t_const_number_bool	(static_types[15])
+
+// t_number_float - number that can be used as a float
+#define t_number_float		(static_types[16])
+#define t_const_number_float	(static_types[17])
+
+#define t_float			(static_types[18])
+#define t_const_float		(static_types[19])
+
+#define t_string		(static_types[20])
+#define t_const_string		(static_types[21])
+
+#define t_blob			(static_types[22])
+#define t_const_blob		(static_types[23])
+
+#define t_blob_null		(static_types[24])
+#define t_const_blob_null	(static_types[25])
+
+#define t_job			(static_types[26])
+#define t_const_job		(static_types[27])
+
+#define t_channel		(static_types[28])
+#define t_const_channel		(static_types[29])
+
+// t_number_or_string - Special value used for @#.
+#define t_number_or_string	(static_types[30])
+#define t_const_number_or_string (static_types[31])
+
+// t_func_unknown - function with any arguments and no or unknown return value
+#define t_func_unknown		(static_types[32])
+#define t_const_func_unknown	(static_types[33])
+
+// t_func_void - function with any arguments and no return value
+#define t_func_void		(static_types[34])
+#define t_const_func_void	(static_types[35])
+
+#define t_func_any		(static_types[36])
+#define t_const_func_any	(static_types[37])
+
+#define t_func_number		(static_types[38])
+#define t_const_func_number	(static_types[39])
+
+#define t_func_string		(static_types[40])
+#define t_const_func_string	(static_types[41])
+
+#define t_func_bool		(static_types[42])
+#define t_const_func_bool	(static_types[43])
+
+// t_func_0_void - function without arguments and nor return value
+#define t_func_0_void		(static_types[44])
+#define t_const_func_0_void	(static_types[45])
+
+#define t_func_0_any		(static_types[46])
+#define t_const_func_0_any	(static_types[47])
+
+#define t_func_0_number		(static_types[48])
+#define t_const_func_0_number	(static_types[49])
+
+#define t_func_0_string		(static_types[50])
+#define t_const_func_0_string	(static_types[51])
+
+#define t_list_any		(static_types[52])
+#define t_const_list_any	(static_types[53])
+
+#define t_dict_any		(static_types[54])
+#define t_const_dict_any	(static_types[55])
+
+#define t_list_empty		(static_types[56])
+#define t_const_list_empty	(static_types[57])
+
+#define t_dict_empty		(static_types[58])
+#define t_const_dict_empty	(static_types[59])
+
+#define t_list_bool		(static_types[60])
+#define t_const_list_bool	(static_types[61])
+
+#define t_list_number		(static_types[62])
+#define t_const_list_number	(static_types[63])
+
+#define t_list_string		(static_types[64])
+#define t_const_list_string	(static_types[65])
+
+#define t_list_job		(static_types[66])
+#define t_const_list_job	(static_types[67])
+
+#define t_list_dict_any		(static_types[68])
+#define t_const_list_dict_any	(static_types[69])
+
+#define t_list_list_any		(static_types[70])
+#define t_const_list_list_any	(static_types[71])
+
+#define t_list_list_string	(static_types[72])
+#define t_const_list_list_string (static_types[73])
+
+#define t_dict_bool		(static_types[74])
+#define t_const_dict_bool	(static_types[75])
+
+#define t_dict_number		(static_types[76])
+#define t_const_dict_number	(static_types[77])
+
+#define t_dict_string		(static_types[78])
+#define t_const_dict_string	(static_types[79])
+
+#define t_super			(static_types[80])
+#define t_const_super		(static_types[81])
+
+#define t_object		(static_types[82])
+#define t_const_object		(static_types[83])
+
+#define t_class			(static_types[84])
+#define t_const_class		(static_types[85])
+
+EXTERN type_T static_types[86]
+#ifdef DO_INIT
+= {
+    // 0: t_unknown
+    {VAR_UNKNOWN, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_UNKNOWN, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 2: t_any
+    {VAR_ANY, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_ANY, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 4: t_void
+    {VAR_VOID, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_VOID, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 6: t_bool
+    {VAR_BOOL, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_BOOL, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 8: t_null
+    {VAR_SPECIAL, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_SPECIAL, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 10: t_none
+    {VAR_SPECIAL, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_SPECIAL, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 12: t_number
+    {VAR_NUMBER, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_NUMBER, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 14: t_number_bool
+    {VAR_NUMBER, 0, 0, TTFLAG_STATIC|TTFLAG_BOOL_OK, NULL, NULL, NULL},
+    {VAR_NUMBER, 0, 0, TTFLAG_STATIC|TTFLAG_BOOL_OK|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 16: t_number_float
+    {VAR_NUMBER, 0, 0, TTFLAG_STATIC|TTFLAG_FLOAT_OK, NULL, NULL, NULL},
+    {VAR_NUMBER, 0, 0, TTFLAG_STATIC|TTFLAG_FLOAT_OK|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 18: t_float
+    {VAR_FLOAT, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_FLOAT, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 20: t_string
+    {VAR_STRING, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_STRING, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 22: t_blob
+    {VAR_BLOB, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_BLOB, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 24: t_blob_null
+    {VAR_BLOB, 0, 0, TTFLAG_STATIC, &t_void, NULL, NULL},
+    {VAR_BLOB, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_void, NULL, NULL},
+
+    // 26: t_job
+    {VAR_JOB, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_JOB, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 28: t_channel
+    {VAR_CHANNEL, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_CHANNEL, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 30: t_number_or_string
+    {VAR_STRING, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_STRING, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 32: t_func_unknown
+    {VAR_FUNC, -1, -1, TTFLAG_STATIC, &t_unknown, NULL, NULL},
+    {VAR_FUNC, -1, -1, TTFLAG_STATIC|TTFLAG_CONST, &t_unknown, NULL, NULL},
+
+    // 34: t_func_void
+    {VAR_FUNC, -1, 0, TTFLAG_STATIC, &t_void, NULL, NULL},
+    {VAR_FUNC, -1, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_void, NULL, NULL},
+
+    // 36: t_func_any
+    {VAR_FUNC, -1, 0, TTFLAG_STATIC, &t_any, NULL, NULL},
+    {VAR_FUNC, -1, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_any, NULL, NULL},
+
+    // 38: t_func_number
+    {VAR_FUNC, -1, 0, TTFLAG_STATIC, &t_number, NULL, NULL},
+    {VAR_FUNC, -1, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_number, NULL, NULL},
+
+    // 40: t_func_string
+    {VAR_FUNC, -1, 0, TTFLAG_STATIC, &t_string, NULL, NULL},
+    {VAR_FUNC, -1, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_string, NULL, NULL},
+
+    // 42: t_func_bool
+    {VAR_FUNC, -1, 0, TTFLAG_STATIC, &t_bool, NULL, NULL},
+    {VAR_FUNC, -1, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_bool, NULL, NULL},
+
+    // 44: t_func_0_void
+    {VAR_FUNC, 0, 0, TTFLAG_STATIC, &t_void, NULL, NULL},
+    {VAR_FUNC, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_void, NULL, NULL},
+
+    // 46: t_func_0_any
+    {VAR_FUNC, 0, 0, TTFLAG_STATIC, &t_any, NULL, NULL},
+    {VAR_FUNC, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_any, NULL, NULL},
+
+    // 48: t_func_0_number
+    {VAR_FUNC, 0, 0, TTFLAG_STATIC, &t_number, NULL, NULL},
+    {VAR_FUNC, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_number, NULL, NULL},
+
+    // 50: t_func_0_string
+    {VAR_FUNC, 0, 0, TTFLAG_STATIC, &t_string, NULL, NULL},
+    {VAR_FUNC, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_string, NULL, NULL},
+
+    // 52: t_list_any
+    {VAR_LIST, 0, 0, TTFLAG_STATIC, &t_any, NULL, NULL},
+    {VAR_LIST, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_any, NULL, NULL},
+
+    // 54: t_dict_any
+    {VAR_DICT, 0, 0, TTFLAG_STATIC, &t_any, NULL, NULL},
+    {VAR_DICT, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_any, NULL, NULL},
+
+    // 56: t_list_empty
+    {VAR_LIST, 0, 0, TTFLAG_STATIC, &t_unknown, NULL, NULL},
+    {VAR_LIST, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_unknown, NULL, NULL},
+
+    // 58: t_dict_empty
+    {VAR_DICT, 0, 0, TTFLAG_STATIC, &t_unknown, NULL, NULL},
+    {VAR_DICT, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_unknown, NULL, NULL},
+
+    // 60: t_list_bool
+    {VAR_LIST, 0, 0, TTFLAG_STATIC, &t_bool, NULL, NULL},
+    {VAR_LIST, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_bool, NULL, NULL},
+
+    // 62: t_list_number
+    {VAR_LIST, 0, 0, TTFLAG_STATIC, &t_number, NULL, NULL},
+    {VAR_LIST, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_number, NULL, NULL},
+
+    // 64: t_list_string
+    {VAR_LIST, 0, 0, TTFLAG_STATIC, &t_string, NULL, NULL},
+    {VAR_LIST, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_string, NULL, NULL},
+
+    // 66: t_list_job
+    {VAR_LIST, 0, 0, TTFLAG_STATIC, &t_job, NULL, NULL},
+    {VAR_LIST, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_job, NULL, NULL},
+
+    // 68: t_list_dict_any
+    {VAR_LIST, 0, 0, TTFLAG_STATIC, &t_dict_any, NULL, NULL},
+    {VAR_LIST, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_dict_any, NULL, NULL},
+
+    // 70: t_list_list_any
+    {VAR_LIST, 0, 0, TTFLAG_STATIC, &t_list_any, NULL, NULL},
+    {VAR_LIST, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_list_any, NULL, NULL},
+
+    // 72: t_list_list_string
+    {VAR_LIST, 0, 0, TTFLAG_STATIC, &t_list_string, NULL, NULL},
+    {VAR_LIST, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_list_string, NULL, NULL},
+
+    // 74: t_dict_bool
+    {VAR_DICT, 0, 0, TTFLAG_STATIC, &t_bool, NULL, NULL},
+    {VAR_DICT, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_bool, NULL, NULL},
+
+    // 76: t_dict_number
+    {VAR_DICT, 0, 0, TTFLAG_STATIC, &t_number, NULL, NULL},
+    {VAR_DICT, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_number, NULL, NULL},
+
+    // 78: t_dict_string
+    {VAR_DICT, 0, 0, TTFLAG_STATIC, &t_string, NULL, NULL},
+    {VAR_DICT, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_string, NULL, NULL},
+
+    // 80: t_super (VAR_CLASS with tt_member set to &t_bool
+    {VAR_CLASS, 0, 0, TTFLAG_STATIC, &t_bool, NULL, NULL},
+    {VAR_CLASS, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, &t_bool, NULL, NULL},
+
+    // 82: t_object
+    {VAR_OBJECT, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_OBJECT, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+
+    // 84: t_class
+    {VAR_CLASS, 0, 0, TTFLAG_STATIC, NULL, NULL, NULL},
+    {VAR_CLASS, 0, 0, TTFLAG_STATIC|TTFLAG_CONST, NULL, NULL, NULL},
+}
+#endif
+;
+
+EXTERN int	did_source_packages INIT(= FALSE);
+#endif // FEAT_EVAL
+
+// Magic number used for hashitem "hi_key" value indicating a deleted item.
+// Only the address is used.
+EXTERN char_u	hash_removed;
+
+
+EXTERN int	scroll_region INIT(= FALSE); // term supports scroll region
+EXTERN int	t_colors INIT(= 0);	    // int value of T_CCO
+
+// Flags to indicate an additional string for highlight name completion.
+EXTERN int include_none INIT(= 0);	// when 1 include "None"
+EXTERN int include_default INIT(= 0);	// when 1 include "default"
+EXTERN int include_link INIT(= 0);	// when 2 include "link" and "clear"
+
+/*
+ * When highlight_match is TRUE, highlight a match, starting at the cursor
+ * position.  Search_match_lines is the number of lines after the match (0 for
+ * a match within one line), search_match_endcol the column number of the
+ * character just after the match in the last line.
+ */
+EXTERN int	highlight_match INIT(= FALSE);	// show search match pos
+EXTERN linenr_T	search_match_lines;		// lines of matched string
+EXTERN colnr_T	search_match_endcol;		// col nr of match end
+#ifdef FEAT_SEARCH_EXTRA
+EXTERN linenr_T	search_first_line INIT(= 0);	  // for :{FIRST},{last}s/pat
+EXTERN linenr_T	search_last_line INIT(= MAXLNUM); // for :{first},{LAST}s/pat
+#endif
+
+EXTERN int	no_smartcase INIT(= FALSE);	// don't use 'smartcase' once
+
+EXTERN int	need_check_timestamps INIT(= FALSE); // need to check file
+						     // timestamps asap
+EXTERN int	did_check_timestamps INIT(= FALSE); // did check timestamps
+						    // recently
+EXTERN int	no_check_timestamps INIT(= 0);	// Don't check timestamps
+
+EXTERN int	highlight_attr[HLF_COUNT];  // Highl. attr for each context.
+#ifdef FEAT_STL_OPT
+# define USER_HIGHLIGHT
+#endif
+#ifdef USER_HIGHLIGHT
+EXTERN int	highlight_user[9];		// User[1-9] attributes
+# ifdef FEAT_STL_OPT
+EXTERN int	highlight_stlnc[9];		// On top of user
+#  ifdef FEAT_TERMINAL
+EXTERN int	highlight_stlterm[9];		// On top of user
+EXTERN int	highlight_stltermnc[9];		// On top of user
+#  endif
+# endif
+#endif
+#ifdef FEAT_TERMINAL
+		// When TRUE skip calling terminal_loop() once.  Used when
+		// typing ':' at the more prompt.
+EXTERN int	skip_term_loop INIT(= FALSE);
+#endif
+#ifdef FEAT_GUI
+EXTERN char_u	*use_gvimrc INIT(= NULL);	// "-U" cmdline argument
+#endif
+EXTERN int	cterm_normal_fg_color INIT(= 0);
+EXTERN int	cterm_normal_fg_bold INIT(= 0);
+EXTERN int	cterm_normal_bg_color INIT(= 0);
+EXTERN int	cterm_normal_ul_color INIT(= 0);
+#ifdef FEAT_TERMGUICOLORS
+EXTERN guicolor_T cterm_normal_fg_gui_color INIT(= INVALCOLOR);
+EXTERN guicolor_T cterm_normal_bg_gui_color INIT(= INVALCOLOR);
+EXTERN guicolor_T cterm_normal_ul_gui_color INIT(= INVALCOLOR);
+#endif
+#ifdef FEAT_TERMRESPONSE
+EXTERN int	is_mac_terminal INIT(= FALSE);  // recognized Terminal.app
+#endif
+
+EXTERN int	autocmd_busy INIT(= FALSE);	// Is apply_autocmds() busy?
+EXTERN int	autocmd_no_enter INIT(= FALSE); // Buf/WinEnter autocmds disabled
+EXTERN int	autocmd_no_leave INIT(= FALSE); // Buf/WinLeave autocmds disabled
+EXTERN int	tabpage_move_disallowed INIT(= FALSE);  // moving tabpages around disallowed
+
+EXTERN int	modified_was_set;		// did ":set modified"
+EXTERN int	did_filetype INIT(= FALSE);	// FileType event found
+EXTERN int	keep_filetype INIT(= FALSE);	// value for did_filetype when
+						// starting to execute
+						// autocommands
+
+// Set by the apply_autocmds_group function if the given event is equal to
+// EVENT_FILETYPE. Used by the readfile function in order to determine if
+// EVENT_BUFREADPOST triggered the EVENT_FILETYPE.
+//
+// Relying on this value requires one to reset it prior calling
+// apply_autocmds_group.
+EXTERN int	au_did_filetype INIT(= FALSE);
+
+// When deleting the current buffer, another one must be loaded.  If we know
+// which one is preferred, au_new_curbuf is set to it
+EXTERN bufref_T	au_new_curbuf INIT3(NULL, 0, 0);
+
+// When deleting a buffer/window and autocmd_busy is TRUE, do not free the
+// buffer/window. but link it in the list starting with
+// au_pending_free_buf/ap_pending_free_win, using b_next/w_next.
+// Free the buffer/window when autocmd_busy is being set to FALSE.
+EXTERN buf_T	*au_pending_free_buf INIT(= NULL);
+EXTERN win_T	*au_pending_free_win INIT(= NULL);
+
+/*
+ * Mouse coordinates, set by check_termcode()
+ */
+EXTERN int	mouse_row;
+EXTERN int	mouse_col;
+EXTERN int	mouse_past_bottom INIT(= FALSE);// mouse below last line
+EXTERN int	mouse_past_eol INIT(= FALSE);	// mouse right of line
+EXTERN int	mouse_dragging INIT(= 0);	// extending Visual area with
+						// mouse dragging
+#if defined(FEAT_MOUSE_DEC)
+/*
+ * When the DEC mouse has been pressed but not yet released we enable
+ * automatic queries for the mouse position.
+ */
+EXTERN int	WantQueryMouse INIT(= FALSE);
+#endif
+
+#ifdef FEAT_GUI
+// When the window layout is about to be changed, need_mouse_correct is set,
+// so that gui_mouse_correct() is called afterwards, to correct the mouse
+// pointer when focus-follow-mouse is being used.
+EXTERN int	need_mouse_correct INIT(= FALSE);
+
+// When double clicking, topline must be the same
+EXTERN linenr_T gui_prev_topline INIT(= 0);
+# ifdef FEAT_DIFF
+EXTERN int	gui_prev_topfill INIT(= 0);
+# endif
+#endif
+
+# ifdef FEAT_MOUSESHAPE
+EXTERN int	drag_status_line INIT(= FALSE);	// dragging the status line
+EXTERN int	postponed_mouseshape INIT(= FALSE); // postponed updating the
+						    // mouse pointer shape
+EXTERN int	drag_sep_line INIT(= FALSE);	// dragging vert separator
+# endif
+
+
+#ifdef FEAT_DIFF
+// Value set from 'diffopt'.
+EXTERN int	diff_context INIT(= 6);		// context for folds
+EXTERN int	diff_foldcolumn INIT(= 2);	// 'foldcolumn' for diff mode
+EXTERN int	diff_need_scrollbind INIT(= FALSE);
+#endif
+
+// While redrawing the screen this flag is set.  It means the screen size
+// ('lines' and 'rows') must not be changed and prevents recursive updating.
+EXTERN int	updating_screen INIT(= FALSE);
+
+// While computing a statusline and the like we do not want any w_redr_type or
+// must_redraw to be set.
+EXTERN int	redraw_not_allowed INIT(= FALSE);
+
+#ifdef MESSAGE_QUEUE
+// While closing windows or buffers messages should not be handled to avoid
+// using invalid windows or buffers.
+EXTERN int	dont_parse_messages INIT(= FALSE);
+#endif
+
+#ifdef FEAT_MENU
+// The root of the menu hierarchy.
+EXTERN vimmenu_T	*root_menu INIT(= NULL);
+/*
+ * While defining the system menu, sys_menu is TRUE.  This avoids
+ * overruling of menus that the user already defined.
+ */
+EXTERN int	sys_menu INIT(= FALSE);
+#endif
+
+#ifdef FEAT_GUI
+# ifdef FEAT_MENU
+// Menu item just selected, set by check_termcode()
+EXTERN vimmenu_T	*current_menu;
+
+// Set to TRUE after adding/removing menus to ensure they are updated
+EXTERN int force_menu_update INIT(= FALSE);
+# endif
+# ifdef FEAT_GUI_TABLINE
+// Tab in tab pages line just selected, set by check_termcode()
+EXTERN int	    current_tab;
+
+// Menu entry in tab pages line menu just selected, set by check_termcode()
+EXTERN int	    current_tabmenu;
+#  define TABLINE_MENU_CLOSE	1
+#  define TABLINE_MENU_NEW	2
+#  define TABLINE_MENU_OPEN	3
+# endif
+
+// Scrollbar moved and new value, set by check_termcode()
+EXTERN int	current_scrollbar;
+EXTERN long_u	scrollbar_value;
+
+// found "-rv" or "-reverse" in command line args
+EXTERN int	found_reverse_arg INIT(= FALSE);
+
+// "-fn" or "-font" command line argument
+EXTERN char	*font_argument INIT(= NULL);
+
+# ifdef FEAT_GUI_GTK
+// "-bg" or "-background" command line argument
+EXTERN char	*background_argument INIT(= NULL);
+
+// "-fg" or "-foreground" command line argument
+EXTERN char	*foreground_argument INIT(= NULL);
+# endif
+
+/*
+ * While executing external commands or in Ex mode, should not insert GUI
+ * events in the input buffer: Set hold_gui_events to non-zero.
+ *
+ * volatile because it is used in signal handler sig_sysmouse().
+ */
+EXTERN volatile sig_atomic_t hold_gui_events INIT(= 0);
+
+/*
+ * When resizing the shell is postponed, remember the new size, and call
+ * gui_resize_shell() later.
+ */
+EXTERN int	new_pixel_width INIT(= 0);
+EXTERN int	new_pixel_height INIT(= 0);
+
+// Window position from ":winpos", to be used when opening the GUI window.
+EXTERN int	gui_win_x INIT(= -1);
+EXTERN int	gui_win_y INIT(= -1);
+#endif
+
+#ifdef FEAT_CLIPBOARD
+EXTERN Clipboard_T clip_star;	// PRIMARY selection in X11
+# ifdef FEAT_X11
+EXTERN Clipboard_T clip_plus;	// CLIPBOARD selection in X11
+# else
+#  define clip_plus clip_star	// there is only one clipboard
+#  define ONE_CLIPBOARD
+# endif
+
+# define CLIP_UNNAMED      1
+# define CLIP_UNNAMED_PLUS 2
+EXTERN int	clip_unnamed INIT(= 0); // above two values or'ed
+
+EXTERN int	clip_autoselect_star INIT(= FALSE);
+EXTERN int	clip_autoselect_plus INIT(= FALSE);
+EXTERN int	clip_autoselectml INIT(= FALSE);
+EXTERN int	clip_html INIT(= FALSE);
+EXTERN regprog_T *clip_exclude_prog INIT(= NULL);
+EXTERN int	clip_unnamed_saved INIT(= 0);
+#endif
+
+/*
+ * All regular windows are linked in a list. "firstwin" points to the first
+ * entry, "lastwin" to the last entry (can be the same as firstwin) and
+ * "curwin" to the currently active window.
+ * When switching tabs these swapped with the pointers in "tabpage_T".
+ */
+EXTERN win_T	*firstwin;		// first window
+EXTERN win_T	*lastwin;		// last window
+EXTERN win_T	*prevwin INIT(= NULL);	// previous window
+#define ONE_WINDOW (firstwin == lastwin)
+#define W_NEXT(wp) ((wp)->w_next)
+
+EXTERN win_T	*curwin;	// currently active window
+
+// When executing autocommands for a buffer that is not in any window, a
+// special window is created to handle the side effects.  When autocommands
+// nest we may need more than one.  Allow for up to five, if more are needed
+// something crazy is happening.
+#define AUCMD_WIN_COUNT 5
+
+typedef struct {
+  win_T	*auc_win;	// Window used in aucmd_prepbuf().  When not NULL the
+			// window has been allocated.
+  int	auc_win_used;	// This auc_win is being used.
+} aucmdwin_T;
+
+EXTERN aucmdwin_T aucmd_win[AUCMD_WIN_COUNT];
+
+#ifdef FEAT_PROP_POPUP
+EXTERN win_T    *first_popupwin;		// first global popup window
+EXTERN win_T	*popup_dragwin INIT(= NULL);	// popup window being dragged
+
+// Set to TRUE if there is any visible popup window.
+EXTERN int	popup_visible INIT(= FALSE);
+
+// Set to TRUE if a visible popup window may use a MOUSE_MOVE event
+EXTERN int	popup_uses_mouse_move INIT(= FALSE);
+
+EXTERN int	text_prop_frozen INIT(= 0);
+
+// when TRUE computing the cursor position ignores text properties.
+EXTERN int	ignore_text_props INIT(= FALSE);
+#endif
+
+// When set the popup menu will redraw soon using the pum_win_ values. Do not
+// draw over the poup menu area to avoid flicker.
+EXTERN int	pum_will_redraw INIT(= FALSE);
+
+/*
+ * The window layout is kept in a tree of frames.  topframe points to the top
+ * of the tree.
+ */
+EXTERN frame_T	*topframe;	// top of the window frame tree
+
+/*
+ * Tab pages are alternative topframes.  "first_tabpage" points to the first
+ * one in the list, "curtab" is the current one. "lastused_tabpage" is the
+ * last used one.
+ */
+EXTERN tabpage_T    *first_tabpage;
+EXTERN tabpage_T    *curtab;
+EXTERN tabpage_T    *lastused_tabpage;
+EXTERN int	    redraw_tabline INIT(= FALSE);  // need to redraw tabline
+
+/*
+ * All buffers are linked in a list. 'firstbuf' points to the first entry,
+ * 'lastbuf' to the last entry and 'curbuf' to the currently active buffer.
+ */
+EXTERN buf_T	*firstbuf INIT(= NULL);	// first buffer
+EXTERN buf_T	*lastbuf INIT(= NULL);	// last buffer
+EXTERN buf_T	*curbuf INIT(= NULL);	// currently active buffer
+
+// Flag that is set when switching off 'swapfile'.  It means that all blocks
+// are to be loaded into memory.  Shouldn't be global...
+EXTERN int	mf_dont_release INIT(= FALSE);	// don't release blocks
+
+/*
+ * List of files being edited (global argument list).  curwin->w_alist points
+ * to this when the window is using the global argument list.
+ */
+EXTERN alist_T	global_alist;		    // global argument list
+EXTERN int	max_alist_id INIT(= 0);	    // the previous argument list id
+EXTERN int	arg_had_last INIT(= FALSE); // accessed last file in
+					    // global_alist
+
+EXTERN int	ru_col;		// column for ruler
+#ifdef FEAT_STL_OPT
+EXTERN int	ru_wid;		// 'rulerfmt' width of ruler when non-zero
+#endif
+EXTERN int	sc_col;		// column for shown command
+
+#ifdef TEMPDIRNAMES
+# if defined(UNIX) && defined(HAVE_FLOCK) \
+	&& (defined(HAVE_DIRFD) || defined(__hpux))
+EXTERN DIR	*vim_tempdir_dp INIT(= NULL); // File descriptor of temp dir
+# endif
+EXTERN char_u	*vim_tempdir INIT(= NULL); // Name of Vim's own temp dir.
+					   // Ends in a slash.
+#endif
+
+/*
+ * When starting or exiting some things are done differently (e.g. screen
+ * updating).
+ */
+EXTERN int	starting INIT(= NO_SCREEN);
+				// first NO_SCREEN, then NO_BUFFERS and then
+				// set to 0 when starting up finished
+EXTERN int	exiting INIT(= FALSE);
+				// TRUE when planning to exit Vim.  Might
+				// still keep on running if there is a changed
+				// buffer.
+EXTERN int	really_exiting INIT(= FALSE);
+				// TRUE when we are sure to exit, e.g., after
+				// a deadly signal
+EXTERN int	v_dying INIT(= 0); // internal value of v:dying
+EXTERN int	stdout_isatty INIT(= TRUE);	// is stdout a terminal?
+
+#if defined(FEAT_AUTOCHDIR)
+EXTERN int	test_autochdir INIT(= FALSE);
+#endif
+EXTERN char	*last_chdir_reason INIT(= NULL);
+#if defined(EXITFREE)
+EXTERN int	entered_free_all_mem INIT(= FALSE);
+				// TRUE when in or after free_all_mem()
+#endif
+// volatile because it is used in signal handler deathtrap().
+EXTERN volatile sig_atomic_t full_screen INIT(= FALSE);
+				// TRUE when doing full-screen output
+				// otherwise only writing some messages
+
+EXTERN int	restricted INIT(= FALSE);
+				// TRUE when started as "rvim"
+EXTERN int	secure INIT(= FALSE);
+				// non-zero when only "safe" commands are
+				// allowed, e.g. when sourcing .exrc or .vimrc
+				// in current directory
+
+EXTERN int	textlock INIT(= 0);
+				// non-zero when changing text and jumping to
+				// another window or editing another buffer is
+				// not allowed
+
+EXTERN int	curbuf_lock INIT(= 0);
+				// non-zero when the current buffer can't be
+				// changed.  Used for FileChangedRO.
+EXTERN int	allbuf_lock INIT(= 0);
+				// non-zero when no buffer name can be
+				// changed, no buffer can be deleted and
+				// current directory can't be changed.
+				// Used for SwapExists et al.
+#ifdef HAVE_SANDBOX
+EXTERN int	sandbox INIT(= 0);
+				// Non-zero when evaluating an expression in a
+				// "sandbox".  Several things are not allowed
+				// then.
+#endif
+
+EXTERN int	silent_mode INIT(= FALSE);
+				// set to TRUE when "-s" commandline argument
+				// used for ex
+
+EXTERN pos_T	VIsual;		// start position of active Visual selection
+EXTERN int	VIsual_active INIT(= FALSE);
+				// whether Visual mode is active
+EXTERN int	VIsual_select INIT(= FALSE);
+				// whether Select mode is active
+EXTERN int	VIsual_select_reg INIT(= 0);
+				// register name for Select mode
+EXTERN int	restart_VIsual_select INIT(= 0);
+				// restart Select mode when next cmd finished
+EXTERN int	VIsual_reselect;
+				// whether to restart the selection after a
+				// Select mode mapping or menu
+
+EXTERN int	VIsual_mode INIT(= 'v');
+				// type of Visual mode
+
+EXTERN int	redo_VIsual_busy INIT(= FALSE);
+				// TRUE when redoing Visual
+
+/*
+ * The Visual area is remembered for reselection.
+ */
+EXTERN int	resel_VIsual_mode INIT(= NUL);	// 'v', 'V', or Ctrl-V
+EXTERN linenr_T	resel_VIsual_line_count;	// number of lines
+EXTERN colnr_T	resel_VIsual_vcol;		// nr of cols or end col
+
+/*
+ * When pasting text with the middle mouse button in visual mode with
+ * restart_edit set, remember where it started so we can set Insstart.
+ */
+EXTERN pos_T	where_paste_started;
+
+/*
+ * This flag is used to make auto-indent work right on lines where only a
+ * <RETURN> or <ESC> is typed. It is set when an auto-indent is done, and
+ * reset when any other editing is done on the line. If an <ESC> or <RETURN>
+ * is received, and did_ai is TRUE, the line is truncated.
+ */
+EXTERN int     did_ai INIT(= FALSE);
+
+/*
+ * Column of first char after autoindent.  0 when no autoindent done.  Used
+ * when 'backspace' is 0, to avoid backspacing over autoindent.
+ */
+EXTERN colnr_T	ai_col INIT(= 0);
+
+/*
+ * This is a character which will end a start-middle-end comment when typed as
+ * the first character on a new line.  It is taken from the last character of
+ * the "end" comment leader when the COM_AUTO_END flag is given for that
+ * comment end in 'comments'.  It is only valid when did_ai is TRUE.
+ */
+EXTERN int     end_comment_pending INIT(= NUL);
+
+/*
+ * This flag is set after a ":syncbind" to let the check_scrollbind() function
+ * know that it should not attempt to perform scrollbinding due to the scroll
+ * that was a result of the ":syncbind." (Otherwise, check_scrollbind() will
+ * undo some of the work done by ":syncbind.")  -ralston
+ */
+EXTERN int     did_syncbind INIT(= FALSE);
+
+/*
+ * This flag is set when a smart indent has been performed. When the next typed
+ * character is a '{' the inserted tab will be deleted again.
+ */
+EXTERN int	did_si INIT(= FALSE);
+
+/*
+ * This flag is set after an auto indent. If the next typed character is a '}'
+ * one indent will be removed.
+ */
+EXTERN int	can_si INIT(= FALSE);
+
+/*
+ * This flag is set after an "O" command. If the next typed character is a '{'
+ * one indent will be removed.
+ */
+EXTERN int	can_si_back INIT(= FALSE);
+
+EXTERN int	old_indent INIT(= 0);	// for ^^D command in insert mode
+
+EXTERN pos_T	saved_cursor		// w_cursor before formatting text.
+#ifdef DO_INIT
+		    = {0, 0, 0}
+#endif
+		    ;
+
+/*
+ * Stuff for insert mode.
+ */
+EXTERN pos_T	Insstart;		// This is where the latest
+					// insert/append mode started.
+
+// This is where the latest insert/append mode started. In contrast to
+// Insstart, this won't be reset by certain keys and is needed for
+// op_insert(), to detect correctly where inserting by the user started.
+EXTERN pos_T	Insstart_orig;
+
+/*
+ * Stuff for MODE_VREPLACE state.
+ */
+EXTERN int	orig_line_count INIT(= 0);  // Line count when "gR" started
+EXTERN int	vr_lines_changed INIT(= 0); // #Lines changed by "gR" so far
+
+#if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)
+// argument to SETJMP() for handling X IO errors
+EXTERN JMP_BUF x_jump_env;
+#endif
+
+/*
+ * These flags are set based upon 'fileencoding'.
+ * Note that "enc_utf8" is also set for "unicode", because the characters are
+ * internally stored as UTF-8 (to avoid trouble with NUL bytes).
+ */
+#define DBCS_JPN	932	// japan
+#define DBCS_JPNU	9932	// euc-jp
+#define DBCS_KOR	949	// korea
+#define DBCS_KORU	9949	// euc-kr
+#define DBCS_CHS	936	// chinese
+#define DBCS_CHSU	9936	// euc-cn
+#define DBCS_CHT	950	// taiwan
+#define DBCS_CHTU	9950	// euc-tw
+#define DBCS_2BYTE	1	// 2byte-
+#define DBCS_DEBUG	(-1)
+
+EXTERN int	enc_dbcs INIT(= 0);		// One of DBCS_xxx values if
+						// DBCS encoding
+EXTERN int	enc_unicode INIT(= 0);	// 2: UCS-2 or UTF-16, 4: UCS-4
+EXTERN int	enc_utf8 INIT(= FALSE);		// UTF-8 encoded Unicode
+EXTERN int	enc_latin1like INIT(= TRUE);	// 'encoding' is latin1 comp.
+#if defined(MSWIN) || defined(FEAT_CYGWIN_WIN32_CLIPBOARD)
+// Codepage nr of 'encoding'.  Negative means it's not been set yet, zero
+// means 'encoding' is not a valid codepage.
+EXTERN int	enc_codepage INIT(= -1);
+EXTERN int	enc_latin9 INIT(= FALSE);	// 'encoding' is latin9
+#endif
+EXTERN int	has_mbyte INIT(= 0);		// any multi-byte encoding
+
+/*
+ * To speed up BYTELEN() we fill a table with the byte lengths whenever
+ * enc_utf8 or enc_dbcs changes.
+ */
+EXTERN char	mb_bytelen_tab[256];
+
+// Variables that tell what conversion is used for keyboard input and display
+// output.
+EXTERN vimconv_T input_conv;			// type of input conversion
+EXTERN vimconv_T output_conv;			// type of output conversion
+
+/*
+ * Function pointers, used to quickly get to the right function.  Each has
+ * three possible values: latin_ (8-bit), utfc_ or utf_ (utf-8) and dbcs_
+ * (DBCS).
+ * The value is set in mb_init();
+ */
+// Length of char in bytes, including any following composing chars.
+// NUL has length zero.
+EXTERN int (*mb_ptr2len)(char_u *p) INIT(= latin_ptr2len);
+
+// idem, with limit on string length
+EXTERN int (*mb_ptr2len_len)(char_u *p, int size) INIT(= latin_ptr2len_len);
+
+// byte length of char
+EXTERN int (*mb_char2len)(int c) INIT(= latin_char2len);
+
+// Convert char "c" to bytes in "buf", return the length.  "buf" must have room
+// for at least 6 bytes.
+EXTERN int (*mb_char2bytes)(int c, char_u *buf) INIT(= latin_char2bytes);
+
+EXTERN int (*mb_ptr2cells)(char_u *p) INIT(= latin_ptr2cells);
+EXTERN int (*mb_ptr2cells_len)(char_u *p, int size) INIT(= latin_ptr2cells_len);
+EXTERN int (*mb_char2cells)(int c) INIT(= latin_char2cells);
+EXTERN int (*mb_off2cells)(unsigned off, unsigned max_off) INIT(= latin_off2cells);
+EXTERN int (*mb_ptr2char)(char_u *p) INIT(= latin_ptr2char);
+
+// Byte offset from "p" to the start of a character, including any composing
+// characters. "base" must be the start of the string, which must be NUL
+// terminated.
+EXTERN int (*mb_head_off)(char_u *base, char_u *p) INIT(= latin_head_off);
+
+# if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
+// Pointers to functions and variables to be loaded at runtime
+EXTERN size_t (*iconv) (iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
+EXTERN iconv_t (*iconv_open) (const char *tocode, const char *fromcode);
+EXTERN int (*iconv_close) (iconv_t cd);
+EXTERN int (*iconvctl) (iconv_t cd, int request, void *argument);
+EXTERN int* (*iconv_errno) (void);
+# endif
+
+
+#ifdef FEAT_XIM
+# ifdef FEAT_GUI_GTK
+EXTERN GtkIMContext	*xic INIT(= NULL);
+/*
+ * Start and end column of the preedit area in virtual columns from the start
+ * of the text line.  When there is no preedit area they are set to MAXCOL.
+ * "preedit_end_col" is needed for coloring the preedited string.  Drawing the
+ * color between "preedit_start_col" and curpos did not work, because some XIM
+ * set the cursor position to the first char of the string.
+ */
+EXTERN colnr_T		preedit_start_col INIT(= MAXCOL);
+EXTERN colnr_T		preedit_end_col INIT(= MAXCOL);
+
+// "xim_changed_while_preediting" is set when changed() can set the 'modified'
+// flag even while preediting.
+EXTERN int		xim_changed_while_preediting INIT(= FALSE);
+# else
+EXTERN XIC		xic INIT(= NULL);
+# endif
+# ifdef FEAT_GUI
+EXTERN guicolor_T	xim_fg_color INIT(= INVALCOLOR);
+EXTERN guicolor_T	xim_bg_color INIT(= INVALCOLOR);
+# endif
+#endif
+
+/*
+ * "State" is the main state of Vim.
+ * There are other variables that modify the state:
+ * "Visual_mode"    When State is MODE_NORMAL or MODE_INSERT.
+ * "finish_op"	    When State is MODE_NORMAL, after typing the operator and
+ *		    before typing the motion command.
+ * "motion_force"   Last motion_force  from do_pending_operator()
+ * "debug_mode"	    Debug mode.
+ */
+EXTERN int	State INIT(= MODE_NORMAL);
+
+#ifdef FEAT_EVAL
+EXTERN int	debug_mode INIT(= FALSE);
+#endif
+
+EXTERN int	finish_op INIT(= FALSE);// TRUE while an operator is pending
+EXTERN long	opcount INIT(= 0);	// count for pending operator
+EXTERN int	motion_force INIT(= 0); // motion force for pending operator
+
+/*
+ * Ex mode (Q) state
+ */
+EXTERN int exmode_active INIT(= 0);	// zero, EXMODE_NORMAL or EXMODE_VIM
+
+// Flag set when main_loop() should exit when entering Ex mode.
+EXTERN int pending_exmode_active INIT(= FALSE);
+
+EXTERN int ex_no_reprint INIT(= FALSE); // no need to print after z or p
+
+EXTERN int reg_recording INIT(= 0);	// register for recording  or zero
+EXTERN int reg_executing INIT(= 0);	// register being executed or zero
+// Flag set when peeking a character and found the end of executed register
+EXTERN int pending_end_reg_executing INIT(= FALSE);
+
+// Set when a modifyOtherKeys sequence was seen, then simplified mappings will
+// no longer be used.  To be combined with modify_otherkeys_state.
+EXTERN int seenModifyOtherKeys INIT(= FALSE);
+
+// The state for the modifyOtherKeys level
+typedef enum {
+    // Initially we have no clue if the protocol is on or off.
+    MOKS_INITIAL,
+    // Used when receiving the state and the level is not two.
+    MOKS_OFF,
+    // Used when receiving the state and the level is two.
+    MOKS_ENABLED,
+    // Used after outputting t_TE when the state was MOKS_ENABLED.  We do not
+    // really know if t_TE actually disabled the protocol, the following t_TI
+    // is expected to request the state, but the response may come only later.
+    MOKS_DISABLED,
+    // Used after outputting t_TE when the state was not MOKS_ENABLED.
+    MOKS_AFTER_T_TE,
+} mokstate_T;
+
+// Set when a response to XTQMODKEYS was received.  Only works for xterm
+// version 377 and later.
+EXTERN mokstate_T modify_otherkeys_state INIT(= MOKS_INITIAL);
+
+// The state for the Kitty keyboard protocol.
+typedef enum {
+    // Initially we have no clue if the protocol is on or off.
+    KKPS_INITIAL,
+    // Used when receiving the state and the flags are zero.
+    KKPS_OFF,
+    // Used when receiving the state and the flags are non-zero.
+    KKPS_ENABLED,
+    // Used after outputting t_TE when the state was KKPS_ENABLED.  We do not
+    // really know if t_TE actually disabled the protocol, the following t_TI
+    // is expected to request the state, but the response may come only later.
+    KKPS_DISABLED,
+    // Used after outputting t_TE when the state was not KKPS_ENABLED.
+    KKPS_AFTER_T_TE,
+} kkpstate_T;
+
+EXTERN kkpstate_T kitty_protocol_state INIT(= KKPS_INITIAL);
+
+EXTERN int no_mapping INIT(= FALSE);	// currently no mapping allowed
+EXTERN int no_zero_mapping INIT(= 0);	// mapping zero not allowed
+EXTERN int allow_keys INIT(= FALSE);	// allow key codes when no_mapping
+					// is set
+EXTERN int no_reduce_keys INIT(= FALSE);  // do not apply Ctrl, Shift and Alt
+					  // to the key
+EXTERN int no_u_sync INIT(= 0);		// Don't call u_sync()
+#ifdef FEAT_EVAL
+EXTERN int u_sync_once INIT(= 0);	// Call u_sync() once when evaluating
+					// an expression.
+#endif
+
+EXTERN int restart_edit INIT(= 0);	// call edit when next cmd finished
+EXTERN int arrow_used;			// Normally FALSE, set to TRUE after
+					// hitting cursor key in insert mode.
+					// Used by vgetorpeek() to decide when
+					// to call u_sync()
+EXTERN int	ins_at_eol INIT(= FALSE); // put cursor after eol when
+					  // restarting edit after CTRL-O
+
+EXTERN int	no_abbr INIT(= TRUE);	// TRUE when no abbreviations loaded
+
+#ifdef USE_EXE_NAME
+EXTERN char_u	*exe_name;		// the name of the executable
+#endif
+
+#ifdef USE_ON_FLY_SCROLL
+EXTERN int	dont_scroll INIT(= FALSE);// don't use scrollbars when TRUE
+#endif
+EXTERN int	mapped_ctrl_c INIT(= FALSE); // modes where CTRL-C is mapped
+EXTERN int	ctrl_c_interrupts INIT(= TRUE);	// CTRL-C sets got_int
+
+EXTERN cmdmod_T	cmdmod;			// Ex command modifiers
+EXTERN int	sticky_cmdmod_flags INIT(= 0); // used by :execute
+
+#ifdef FEAT_EVAL
+EXTERN int	is_export INIT(= FALSE);    // :export {cmd}
+#endif
+
+EXTERN int	msg_silent INIT(= 0);	// don't print messages
+EXTERN int	emsg_silent INIT(= 0);	// don't print error messages
+#ifdef FEAT_EVAL
+EXTERN int	emsg_silent_def INIT(= 0);  // value of emsg_silent when a :def
+					    // function is called
+#endif
+EXTERN int	emsg_noredir INIT(= 0);	// don't redirect error messages
+EXTERN int	cmd_silent INIT(= FALSE); // don't echo the command line
+
+EXTERN int	in_assert_fails INIT(= FALSE);	// assert_fails() active
+
+EXTERN int	swap_exists_action INIT(= SEA_NONE);
+					// For dialog when swap file already
+					// exists.
+EXTERN int	swap_exists_did_quit INIT(= FALSE);
+					// Selected "quit" at the dialog.
+
+EXTERN char_u	*IObuff;		// sprintf's are done in this buffer,
+					// size is IOSIZE
+EXTERN char_u	*NameBuff;		// file names are expanded in this
+					// buffer, size is MAXPATHL
+EXTERN char	msg_buf[MSG_BUF_LEN];	// small buffer for messages
+
+// When non-zero, postpone redrawing.
+EXTERN int	RedrawingDisabled INIT(= 0);
+
+EXTERN int	readonlymode INIT(= FALSE); // Set to TRUE for "view"
+EXTERN int	recoverymode INIT(= FALSE); // Set to TRUE for "-r" option
+
+EXTERN typebuf_T typebuf		// typeahead buffer
+#ifdef DO_INIT
+		    = {NULL, NULL, 0, 0, 0, 0, 0, 0, 0}
+#endif
+		    ;
+// Flag used to indicate that vgetorpeek() returned a char like Esc when the
+// :normal argument was exhausted.
+EXTERN int	typebuf_was_empty INIT(= FALSE);
+
+EXTERN int	ex_normal_busy INIT(= 0);   // recursiveness of ex_normal()
+#ifdef FEAT_EVAL
+EXTERN int	in_feedkeys INIT(= 0);	    // ex_normal_busy set in feedkeys()
+#endif
+EXTERN int	ex_normal_lock INIT(= 0);   // forbid use of ex_normal()
+
+#ifdef FEAT_EVAL
+EXTERN int	ignore_script INIT(= FALSE);  // ignore script input
+#endif
+EXTERN int	stop_insert_mode;	// for ":stopinsert" and 'insertmode'
+
+EXTERN int	KeyTyped;		// TRUE if user typed current char
+EXTERN int	KeyStuffed;		// TRUE if current char from stuffbuf
+#ifdef HAVE_INPUT_METHOD
+EXTERN int	vgetc_im_active;	// Input Method was active for last
+					// character obtained from vgetc()
+#endif
+EXTERN int	maptick INIT(= 0);	// tick for each non-mapped char
+
+EXTERN int	must_redraw INIT(= 0);	    // type of redraw necessary
+EXTERN int	skip_redraw INIT(= FALSE);  // skip redraw once
+EXTERN int	do_redraw INIT(= FALSE);    // extra redraw once
+#ifdef FEAT_DIFF
+EXTERN int	need_diff_redraw INIT(= 0); // need to call diff_redraw()
+#endif
+#ifdef FEAT_RELTIME
+// flag set when 'redrawtime' timeout has been set
+EXTERN int	redrawtime_limit_set INIT(= FALSE);
+#endif
+
+EXTERN int	need_highlight_changed INIT(= TRUE);
+
+#define NSCRIPT 15
+EXTERN FILE	*scriptin[NSCRIPT];	    // streams to read script from
+EXTERN int	curscript INIT(= 0);	    // index in scriptin[]
+EXTERN FILE	*scriptout  INIT(= NULL);   // stream to write script to
+EXTERN int	read_cmd_fd INIT(= 0);	    // fd to read commands from
+
+// Set to TRUE when an interrupt signal occurred.
+// Volatile because it is used in signal handler catch_sigint().
+EXTERN volatile sig_atomic_t got_int INIT(= FALSE);
+
+// Set to TRUE when SIGUSR1 signal was detected.
+// Volatile because it is used in signal handler catch_sigint().
+EXTERN volatile sig_atomic_t got_sigusr1 INIT(= FALSE);
+
+#ifdef USE_TERM_CONSOLE
+EXTERN int	term_console INIT(= FALSE); // set to TRUE when console used
+#endif
+EXTERN int	termcap_active INIT(= FALSE);	// set by starttermcap()
+EXTERN tmode_T	cur_tmode INIT(= TMODE_COOK);	// input terminal mode
+EXTERN int	bangredo INIT(= FALSE);	    // set to TRUE with ! command
+EXTERN int	searchcmdlen;		    // length of previous search cmd
+#ifdef FEAT_SYN_HL
+EXTERN int	reg_do_extmatch INIT(= 0);  // Used when compiling regexp:
+					    // REX_SET to allow \z\(...\),
+					    // REX_USE to allow \z\1 et al.
+EXTERN reg_extmatch_T *re_extmatch_in INIT(= NULL); // Used by vim_regexec():
+					    // strings for \z\1...\z\9
+EXTERN reg_extmatch_T *re_extmatch_out INIT(= NULL); // Set by vim_regexec()
+					    // to store \z\(...\) matches
+#endif
+
+EXTERN int	did_outofmem_msg INIT(= FALSE);
+					    // set after out of memory msg
+EXTERN int	did_swapwrite_msg INIT(= FALSE);
+					    // set after swap write error msg
+EXTERN int	undo_off INIT(= FALSE);	    // undo switched off for now
+EXTERN int	global_busy INIT(= 0);	    // set when :global is executing
+EXTERN int	listcmd_busy INIT(= FALSE); // set when :argdo, :windo or
+					    // :bufdo is executing
+EXTERN int	need_start_insertmode INIT(= FALSE);
+					    // start insert mode soon
+#if defined(FEAT_EVAL) || defined(PROTO)
+EXTERN char_u	last_mode[MODE_MAX_LENGTH] INIT(= "n"); // for ModeChanged event
+#endif
+EXTERN char_u	*last_cmdline INIT(= NULL); // last command line (for ":)
+EXTERN char_u	*repeat_cmdline INIT(= NULL); // command line for "."
+EXTERN char_u	*new_last_cmdline INIT(= NULL);	// new value for last_cmdline
+						//
+EXTERN char_u	*autocmd_fname INIT(= NULL); // fname for <afile> on cmdline
+EXTERN int	autocmd_fname_full;	     // autocmd_fname is full path
+EXTERN int	autocmd_bufnr INIT(= 0);     // fnum for <abuf> on cmdline
+EXTERN char_u	*autocmd_match INIT(= NULL); // name for <amatch> on cmdline
+EXTERN int	aucmd_cmdline_changed_count INIT(= 0);
+
+EXTERN int	did_cursorhold INIT(= FALSE); // set when CursorHold t'gerd
+EXTERN pos_T	last_cursormoved	      // for CursorMoved event
+# ifdef DO_INIT
+		    = {0, 0, 0}
+# endif
+		    ;
+
+EXTERN int	postponed_split INIT(= 0);  // for CTRL-W CTRL-] command
+EXTERN int	postponed_split_flags INIT(= 0);  // args for win_split()
+EXTERN int	postponed_split_tab INIT(= 0);  // cmdmod.cmod_tab
+#ifdef FEAT_QUICKFIX
+EXTERN int	g_do_tagpreview INIT(= 0);  // for tag preview commands:
+					    // height of preview window
+#endif
+EXTERN int	g_tag_at_cursor INIT(= FALSE); // whether the tag command comes
+					    // from the command line (0) or was
+					    // invoked as a normal command (1)
+
+EXTERN int	replace_offset INIT(= 0);   // offset for replace_push()
+
+EXTERN char_u	*escape_chars INIT(= (char_u *)" \t\\\"|");
+					    // need backslash in cmd line
+
+EXTERN int	keep_help_flag INIT(= FALSE); // doing :ta from help file
+
+/*
+ * When a string option is NULL (which only happens in out-of-memory
+ * situations), it is set to empty_option, to avoid having to check for NULL
+ * everywhere.
+ */
+EXTERN char_u	*empty_option INIT(= (char_u *)"");
+
+EXTERN int  redir_off INIT(= FALSE);	// no redirection for a moment
+EXTERN FILE *redir_fd INIT(= NULL);	// message redirection file
+#ifdef FEAT_EVAL
+EXTERN int  redir_reg INIT(= 0);	// message redirection register
+EXTERN int  redir_vname INIT(= 0);	// message redirection variable
+EXTERN int  redir_execute INIT(= 0);	// execute() redirection
+#endif
+
+#ifdef FEAT_LANGMAP
+EXTERN char_u	langmap_mapchar[256];	// mapping for language keys
+#endif
+
+EXTERN int  save_p_ls INIT(= -1);	// Save 'laststatus' setting
+EXTERN int  save_p_wmh INIT(= -1);	// Save 'winminheight' setting
+EXTERN int  wild_menu_showing INIT(= 0);
+#define WM_SHOWN	1		// wildmenu showing
+#define WM_SCROLLED	2		// wildmenu showing with scroll
+
+#ifdef MSWIN
+EXTERN char_u	toupper_tab[256];	// table for toupper()
+EXTERN char_u	tolower_tab[256];	// table for tolower()
+EXTERN int	found_register_arg INIT(= FALSE);
+#endif
+
+#ifdef FEAT_LINEBREAK
+EXTERN char	breakat_flags[256];	// which characters are in 'breakat'
+#endif
+
+// These are in version.c, call init_longVersion() before use.
+extern char *Version;
+#if defined(HAVE_DATE_TIME) && defined(VMS) && defined(VAXC)
+extern char longVersion[];
+#else
+extern char *longVersion;
+#endif
+
+/*
+ * Some file names are stored in pathdef.c, which is generated from the
+ * Makefile to make their value depend on the Makefile.
+ */
+#ifdef HAVE_PATHDEF
+extern char_u *default_vim_dir;
+extern char_u *default_vimruntime_dir;
+extern char_u *all_cflags;
+extern char_u *all_lflags;
+# ifdef VMS
+extern char_u *compiler_version;
+extern char_u *compiled_arch;
+# endif
+extern char_u *compiled_user;
+extern char_u *compiled_sys;
+#endif
+
+EXTERN char_u	*homedir INIT(= NULL);
+
+// When a window has a local directory, the absolute path of the global
+// current directory is stored here (in allocated memory).  If the current
+// directory is not a local directory, globaldir is NULL.
+EXTERN char_u	*globaldir INIT(= NULL);
+
+#ifdef FEAT_FOLDING
+EXTERN int	disable_fold_update INIT(= 0);
+#endif
+
+// Whether 'keymodel' contains "stopsel" and "startsel".
+EXTERN int	km_stopsel INIT(= FALSE);
+EXTERN int	km_startsel INIT(= FALSE);
+
+EXTERN int	cmdwin_type INIT(= 0);	// type of cmdline window or 0
+EXTERN int	cmdwin_result INIT(= 0); // result of cmdline window or 0
+
+EXTERN char_u no_lines_msg[]	INIT(= N_("--No lines in buffer--"));
+
+EXTERN char typename_unknown[]	INIT(= N_("unknown"));
+EXTERN char typename_int[]	INIT(= N_("int"));
+EXTERN char typename_longint[]	INIT(= N_("long int"));
+EXTERN char typename_longlongint[]	INIT(= N_("long long int"));
+EXTERN char typename_unsignedint[]	INIT(= N_("unsigned int"));
+EXTERN char typename_unsignedlongint[]	INIT(= N_("unsigned long int"));
+EXTERN char typename_unsignedlonglongint[]	INIT(= N_("unsigned long long int"));
+EXTERN char typename_pointer[]	INIT(= N_("pointer"));
+EXTERN char typename_percent[]	INIT(= N_("percent"));
+EXTERN char typename_char[] INIT(= N_("char"));
+EXTERN char typename_string[]	INIT(= N_("string"));
+EXTERN char typename_float[]	INIT(= N_("float"));
+
+/*
+ * When ":global" is used to number of substitutions and changed lines is
+ * accumulated until it's finished.
+ * Also used for ":spellrepall".
+ */
+EXTERN long	sub_nsubs;	// total number of substitutions
+EXTERN linenr_T	sub_nlines;	// total number of lines changed
+
+#ifdef FEAT_EVAL
+// Used when a compiled :substitute has an expression.
+EXTERN struct subs_expr_S	*substitute_instr INIT(= NULL);
+#endif
+
+// table to store parsed 'wildmode'
+EXTERN char_u	wim_flags[4];
+
+#if defined(FEAT_STL_OPT)
+// whether titlestring and iconstring contains statusline syntax
+# define STL_IN_ICON	1
+# define STL_IN_TITLE	2
+EXTERN int      stl_syntax INIT(= 0);
+#endif
+
+#if defined(FEAT_BEVAL) && !defined(NO_X11_INCLUDES)
+EXTERN BalloonEval	*balloonEval INIT(= NULL);
+EXTERN int		balloonEvalForTerm INIT(= FALSE);
+# if defined(FEAT_NETBEANS_INTG)
+EXTERN int bevalServers INIT(= 0);
+#  define BEVAL_NETBEANS		0x01
+# endif
+#endif
+
+#ifdef CURSOR_SHAPE
+// the table is in misc2.c, because of initializations
+extern cursorentry_T shape_table[SHAPE_IDX_COUNT];
+#endif
+
+#ifdef FEAT_PRINTER
+/*
+ * Printer stuff shared between hardcopy.c and machine-specific printing code.
+ */
+# define OPT_PRINT_TOP		0
+# define OPT_PRINT_BOT		1
+# define OPT_PRINT_LEFT		2
+# define OPT_PRINT_RIGHT	3
+# define OPT_PRINT_HEADERHEIGHT	4
+# define OPT_PRINT_SYNTAX	5
+# define OPT_PRINT_NUMBER	6
+# define OPT_PRINT_WRAP		7
+# define OPT_PRINT_DUPLEX	8
+# define OPT_PRINT_PORTRAIT	9
+# define OPT_PRINT_PAPER	10
+# define OPT_PRINT_COLLATE	11
+# define OPT_PRINT_JOBSPLIT	12
+# define OPT_PRINT_FORMFEED	13
+
+# define OPT_PRINT_NUM_OPTIONS	14
+
+EXTERN option_table_T printer_opts[OPT_PRINT_NUM_OPTIONS]
+# ifdef DO_INIT
+    = {
+	{"top",	TRUE, 0, NULL, 0, FALSE},
+	{"bottom",	TRUE, 0, NULL, 0, FALSE},
+	{"left",	TRUE, 0, NULL, 0, FALSE},
+	{"right",	TRUE, 0, NULL, 0, FALSE},
+	{"header",	TRUE, 0, NULL, 0, FALSE},
+	{"syntax",	FALSE, 0, NULL, 0, FALSE},
+	{"number",	FALSE, 0, NULL, 0, FALSE},
+	{"wrap",	FALSE, 0, NULL, 0, FALSE},
+	{"duplex",	FALSE, 0, NULL, 0, FALSE},
+	{"portrait", FALSE, 0, NULL, 0, FALSE},
+	{"paper",	FALSE, 0, NULL, 0, FALSE},
+	{"collate",	FALSE, 0, NULL, 0, FALSE},
+	{"jobsplit", FALSE, 0, NULL, 0, FALSE},
+	{"formfeed", FALSE, 0, NULL, 0, FALSE},
+    }
+# endif
+    ;
+
+// For prt_get_unit().
+# define PRT_UNIT_NONE	-1
+# define PRT_UNIT_PERC	0
+# define PRT_UNIT_INCH	1
+# define PRT_UNIT_MM	2
+# define PRT_UNIT_POINT	3
+# define PRT_UNIT_NAMES {"pc", "in", "mm", "pt"}
+#endif
+
+#if (defined(FEAT_PRINTER) && defined(FEAT_STL_OPT)) \
+	    || defined(FEAT_GUI_TABLINE)
+// Page number used for %N in 'pageheader' and 'guitablabel'.
+EXTERN linenr_T printer_page_num;
+#endif
+
+#ifdef FEAT_XCLIPBOARD
+// xterm display name
+EXTERN char	*xterm_display INIT(= NULL);
+
+// whether xterm_display was allocated, when FALSE it points into argv[]
+EXTERN int	xterm_display_allocated INIT(= FALSE);
+
+// xterm display pointer
+EXTERN Display	*xterm_dpy INIT(= NULL);
+#endif
+#if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11)
+EXTERN XtAppContext app_context INIT(= (XtAppContext)NULL);
+#endif
+
+#ifdef FEAT_GUI_GTK
+EXTERN guint32	gtk_socket_id INIT(= 0);
+EXTERN int	echo_wid_arg INIT(= FALSE);	// --echo-wid argument
+#endif
+
+#ifdef FEAT_GUI_MSWIN
+/*
+ * The value of the --windowid argument.
+ * For embedding gvim inside another application.
+ */
+EXTERN long_u	win_socket_id INIT(= 0);
+#endif
+
+#if defined(FEAT_CLIENTSERVER) || defined(FEAT_EVAL)
+EXTERN int	typebuf_was_filled INIT(= FALSE); // received text from client
+						  // or from feedkeys()
+#endif
+
+#ifdef FEAT_CLIENTSERVER
+EXTERN char_u	*serverName INIT(= NULL);	// name of the server
+# ifdef FEAT_X11
+EXTERN Window	commWindow INIT(= None);
+EXTERN Window	clientWindow INIT(= None);
+EXTERN Atom	commProperty INIT(= None);
+EXTERN char_u	*serverDelayedStartName INIT(= NULL);
+# else
+#  ifdef PROTO
+typedef int HWND;
+#  endif
+EXTERN HWND	clientWindow INIT(= 0);
+# endif
+#endif
+
+#if defined(UNIX) || defined(VMS)
+EXTERN int	term_is_xterm INIT(= FALSE);	// xterm-like 'term'
+#endif
+
+#ifdef BACKSLASH_IN_FILENAME
+EXTERN char	psepc INIT(= '\\');	// normal path separator character
+EXTERN char	psepcN INIT(= '/');	// abnormal path separator character
+// normal path separator string
+EXTERN char	pseps[2] INIT2('\\', 0);
+#endif
+
+// Set to TRUE when an operator is being executed with virtual editing, MAYBE
+// when no operator is being executed, FALSE otherwise.
+EXTERN int	virtual_op INIT(= MAYBE);
+
+#ifdef FEAT_SYN_HL
+// Display tick, incremented for each call to update_screen()
+EXTERN disptick_T	display_tick INIT(= 0);
+#endif
+
+#ifdef FEAT_SPELL
+// Line in which spell checking wasn't highlighted because it touched the
+// cursor position in Insert mode.
+EXTERN linenr_T		spell_redraw_lnum INIT(= 0);
+#endif
+
+#ifdef FEAT_CONCEAL
+// Set when the cursor line needs to be redrawn.
+EXTERN int		need_cursor_line_redraw INIT(= FALSE);
+#endif
+
+#ifdef USE_MCH_ERRMSG
+// Grow array to collect error messages in until they can be displayed.
+EXTERN garray_T error_ga
+# ifdef DO_INIT
+		    = {0, 0, 0, 0, NULL}
+# endif
+		    ;
+#endif
+
+#ifdef FEAT_NETBEANS_INTG
+EXTERN char *netbeansArg INIT(= NULL);	// the -nb[:host:port:passwd] arg
+EXTERN int netbeansFireChanges INIT(= 1); // send buffer changes if != 0
+EXTERN int netbeansForcedQuit INIT(= 0);// don't write modified files
+EXTERN int netbeansReadFile INIT(= 1);	// OK to read from disk if != 0
+EXTERN int netbeansSuppressNoLines INIT(= 0); // skip "No lines in buffer"
+#endif
+
+/*
+ * Some messages that can be shared are included here.
+ */
+EXTERN char top_bot_msg[]   INIT(= N_("search hit TOP, continuing at BOTTOM"));
+EXTERN char bot_top_msg[]   INIT(= N_("search hit BOTTOM, continuing at TOP"));
+
+EXTERN char line_msg[]	    INIT(= N_(" line "));
+
+#ifdef FEAT_CRYPT
+EXTERN char need_key_msg[]  INIT(= N_("Need encryption key for \"%s\""));
+#endif
+
+/*
+ * Comms. with the session manager (XSMP)
+ */
+#ifdef USE_XSMP
+EXTERN int xsmp_icefd INIT(= -1);   // The actual connection
+#endif
+
+#ifdef STARTUPTIME
+EXTERN FILE *time_fd INIT(= NULL);  // where to write startup timing
+#endif
+
+/*
+ * Some compilers warn for not using a return value, but in some situations we
+ * can't do anything useful with the value.  Assign to this variable to avoid
+ * the warning.
+ */
+EXTERN int vim_ignored;
+EXTERN char *vim_ignoredp;
+
+#ifdef FEAT_EVAL
+// set by alloc_fail(): ID
+EXTERN alloc_id_T  alloc_fail_id INIT(= aid_none);
+// set by alloc_fail(), when zero alloc() returns NULL
+EXTERN int  alloc_fail_countdown INIT(= -1);
+// set by alloc_fail(), number of times alloc() returns NULL
+EXTERN int  alloc_fail_repeat INIT(= 0);
+
+// flags set by test_override()
+EXTERN int  disable_char_avail_for_testing INIT(= FALSE);
+EXTERN int  disable_redraw_for_testing INIT(= FALSE);
+EXTERN int  ignore_redraw_flag_for_testing INIT(= FALSE);
+EXTERN int  nfa_fail_for_testing INIT(= FALSE);
+EXTERN int  no_query_mouse_for_testing INIT(= FALSE);
+EXTERN int  ui_delay_for_testing INIT(= 0);
+EXTERN int  reset_term_props_on_termresponse INIT(= FALSE);
+EXTERN int  disable_vterm_title_for_testing INIT(= FALSE);
+EXTERN long override_sysinfo_uptime INIT(= -1);
+EXTERN int  override_autoload INIT(= FALSE);
+EXTERN int  ml_get_alloc_lines INIT(= FALSE);
+EXTERN int  ignore_unreachable_code_for_testing INIT(= FALSE);
+
+EXTERN int  in_free_unref_items INIT(= FALSE);
+#endif
+
+#ifdef FEAT_TIMERS
+EXTERN int  did_add_timer INIT(= FALSE);
+EXTERN int  timer_busy INIT(= 0);   // when timer is inside vgetc() then > 0
+#endif
+#ifdef FEAT_EVAL
+EXTERN int  input_busy INIT(= 0);   // when inside get_user_input() then > 0
+
+EXTERN lval_root_T	*lval_root INIT(= NULL);
+#endif
+
+#ifdef FEAT_BEVAL_TERM
+EXTERN int  bevalexpr_due_set INIT(= FALSE);
+EXTERN proftime_T bevalexpr_due;
+#endif
+
+#ifdef FEAT_EVAL
+EXTERN time_T time_for_testing INIT(= 0);
+
+EXTERN int echo_attr INIT(= 0);   // attributes used for ":echo"
+
+// Abort conversion to string after a recursion error.
+EXTERN int  did_echo_string_emsg INIT(= FALSE);
+
+// Used for checking if local variables or arguments used in a lambda.
+EXTERN int *eval_lavars_used INIT(= NULL);
+
+// Only filled for Win32.
+EXTERN char windowsVersion[20] INIT(= {0});
+
+// Used for lv_first in a non-materialized range() list.
+EXTERN listitem_T range_list_item;
+
+// Passed to an eval() function to enable evaluation.
+EXTERN evalarg_T EVALARG_EVALUATE
+# ifdef DO_INIT
+	= {EVAL_EVALUATE, 0, NULL, NULL, NULL, NULL, GA_EMPTY, GA_EMPTY, NULL,
+			 {0, 0, (int)sizeof(char_u *), 20, NULL}, 0, NULL}
+# endif
+	;
+#endif
+
+#ifdef MSWIN
+# ifdef PROTO
+typedef int HINSTANCE;
+# endif
+EXTERN int ctrl_break_was_pressed INIT(= FALSE);
+EXTERN HINSTANCE g_hinst INIT(= NULL);
+#endif
+
+
+#if defined(FEAT_JOB_CHANNEL)
+EXTERN char *ch_part_names[]
+# ifdef DO_INIT
+		= {"sock", "out", "err", "in"}
+# endif
+		;
+
+// Whether a redraw is needed for appending a line to a buffer.
+EXTERN int channel_need_redraw INIT(= FALSE);
+#endif
+
+#ifdef FEAT_EVAL
+// This flag is set when outputting a terminal control code and reset in
+// out_flush() when characters have been written.
+EXTERN int ch_log_output INIT(= FALSE);
+
+EXTERN int did_repeated_msg INIT(= 0);
+# define REPEATED_MSG_LOOKING	    1
+# define REPEATED_MSG_SAFESTATE	    2
+#endif
+
+// While executing a regexp and set to OPTION_MAGIC_ON or OPTION_MAGIC_OFF this
+// overrules p_magic.  Otherwise set to OPTION_MAGIC_NOT_SET.
+EXTERN optmagic_T magic_overruled INIT(= OPTION_MAGIC_NOT_SET);
+
+// Skip win_fix_cursor() call for 'splitkeep' when cmdwin is closed.
+EXTERN int skip_win_fix_cursor INIT(= FALSE);
+// Skip win_fix_scroll() call for 'splitkeep' when closing tab page.
+EXTERN int skip_win_fix_scroll INIT(= FALSE);
+// Skip update_topline() call while executing win_fix_scroll().
+EXTERN int skip_update_topline INIT(= FALSE);
+
+// 'showcmd' buffer shared between normal.c and statusline code
+#define SHOWCMD_BUFLEN (SHOWCMD_COLS + 1 + 30)
+EXTERN char_u showcmd_buf[SHOWCMD_BUFLEN];