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/* vi:set ts=8 sts=4 sw=4:
*
* 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(MSDOS) || defined(WIN3264) || defined(OS2)
= 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[].
*
* "LineOffset[n]" is the offset from ScreenLines[] for the start of line 'n'.
* The same value is used for ScreenLinesUC[] and ScreenAttrs[].
*
* 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 unsigned *LineOffset INIT(= NULL);
EXTERN char_u *LineWraps INIT(= NULL); /* line wraps to next line */

#ifdef FEAT_MBYTE
/*
* 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);
#endif

#ifdef FEAT_WINDOWS
/*
* 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);
#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(= 0x0); /* current key modifiers */

/*
* 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 clear_cmdline INIT(= FALSE); /* cmdline must be cleared */
EXTERN int mode_displayed INIT(= FALSE); /* mode is being displayed */
#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 */

#ifdef FEAT_CRYPT
EXTERN int use_crypt_method INIT(= 0);
#endif

/*
* 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);

#ifdef FEAT_INS_EXPAND
/*
* Variables for Insert mode completion.
*/

/* Length in bytes of the text being completed (this is deleted to be replaced
* by the match.) */
EXTERN int compl_length INIT(= 0);

/* Set when character typed while looking for matches and it means we should
* stop looking for matches. */
EXTERN int compl_interrupted INIT(= FALSE);

/* List of flags for method of completion. */
EXTERN int compl_cont_status INIT(= 0);
# define CONT_ADDING 1 /* "normal" or "adding" expansion */
# define CONT_INTRPT (2 + 4) /* a ^X interrupted the current expansion */
/* it's set only iff N_ADDS is set */
# define CONT_N_ADDS 4 /* next ^X<> will add-new or expand-current */
# define CONT_S_IPOS 8 /* next ^X<> will set initial_pos?
* if so, word-wise-expansion will set SOL */
# define CONT_SOL 16 /* pattern includes start of line, just for
* word-wise expansion, not set for ^X^L */
# define CONT_LOCAL 32 /* for ctrl_x_mode 0, ^X^P/^X^N do a local
* expansion, (eg use complete=.) */
#endif

/*
* 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 */
EXTERN int did_endif INIT(= FALSE); /* just had ":endif" */
#endif
EXTERN int did_emsg; /* set by emsg() when the message
is displayed or thrown */
EXTERN int did_emsg_syntax; /* did_emsg set because of a
syntax error */
EXTERN int called_emsg; /* always set by emsg() */
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 */
#ifdef FEAT_TITLE
EXTERN int need_maketitle INIT(= TRUE); /* call maketitle() soon */
#endif

EXTERN int quit_more INIT(= FALSE); /* 'q' hit at "--more--" msg */
#if defined(UNIX) || defined(__EMX__) || 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 */

EXTERN char_u *sourcing_name INIT( = NULL);/* name of error message source */
EXTERN linenr_T sourcing_lnum INIT(= 0); /* line number of the source file */

#ifdef FEAT_EVAL
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 */
# ifdef FEAT_PROFILE
EXTERN int do_profiling INIT(= PROF_NONE); /* PROF_ values */
# endif

/*
* 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 struct msglist **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);

#endif

#ifdef FEAT_EVAL
/*
* 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);

/* ID of script being sourced or was sourced to define the current function. */
EXTERN scid_T current_SID INIT(= 0);
#endif

#if defined(FEAT_EVAL) || defined(FEAT_SYN_HL)
/* Magic number used for hashitem "hi_key" value indicating a deleted item.
* Only the address is used. */
EXTERN char_u hash_removed;
#endif


EXTERN int scroll_region INIT(= FALSE); /* term supports scroll region */
EXTERN int t_colors INIT(= 0); /* int value of T_CCO */

/*
* 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 of matched string */
EXTERN colnr_T search_match_endcol; /* col nr of match end */

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 */
# endif
#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);

#ifdef FEAT_AUTOCMD
EXTERN int autocmd_busy INIT(= FALSE); /* Is apply_autocmds() busy? */
EXTERN int autocmd_no_enter INIT(= FALSE); /* *Enter autocmds disabled */
EXTERN int autocmd_no_leave INIT(= FALSE); /* *Leave autocmds disabled */
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 */

/* 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 buf_T *au_new_curbuf INIT(= NULL);
#endif

#ifdef FEAT_MOUSE
/*
* 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 querys 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 */
# ifdef FEAT_VERTSPLIT
EXTERN int drag_sep_line INIT(= FALSE); /* dragging vert separator */
# endif
# endif

#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

#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

/* While redrawing the screen this flag is set. It means the screen size
* ('lines' and 'rows') must not be changed. */
EXTERN int updating_screen INIT(= FALSE);

#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 int 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 VimClipboard clip_star; /* PRIMARY selection in X11 */
# ifdef FEAT_X11
EXTERN VimClipboard 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);
#endif

/*
* All 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.
* Without the FEAT_WINDOWS they are all equal.
*/
#ifdef FEAT_WINDOWS
EXTERN win_T *firstwin; /* first window */
EXTERN win_T *lastwin; /* last window */
EXTERN win_T *prevwin INIT(= NULL); /* previous window */
# define W_NEXT(wp) ((wp)->w_next)
# define FOR_ALL_WINDOWS(wp) for (wp = firstwin; wp != NULL; wp = wp->w_next)
/*
* When using this macro "break" only breaks out of the inner loop. Use "goto"
* to break out of the tabpage loop.
*/
# define FOR_ALL_TAB_WINDOWS(tp, wp) \
for ((tp) = first_tabpage; (tp) != NULL; (tp) = (tp)->tp_next) \
for ((wp) = ((tp) == curtab) \
? firstwin : (tp)->tp_firstwin; (wp); (wp) = (wp)->w_next)
#else
# define firstwin curwin
# define lastwin curwin
# define W_NEXT(wp) NULL
# define FOR_ALL_WINDOWS(wp) wp = curwin;
# define FOR_ALL_TAB_WINDOWS(tp, wp) wp = curwin;
#endif

EXTERN win_T *curwin; /* currently active window */

#ifdef FEAT_AUTOCMD
EXTERN win_T *aucmd_win; /* window used in aucmd_prepbuf() */
EXTERN int aucmd_win_used INIT(= FALSE); /* aucmd_win is being used */
#endif

/*
* 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 */

#ifdef FEAT_WINDOWS
/*
* Tab pages are alternative topframes. "first_tabpage" points to the first
* one in the list, "curtab" is the current one.
*/
EXTERN tabpage_T *first_tabpage;
EXTERN tabpage_T *curtab;
EXTERN int redraw_tabline INIT(= FALSE); /* need to redraw tabline */
#endif

/*
* 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 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
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 */
/* volatile because it is used in signal handler deathtrap(). */
EXTERN volatile int 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 buffer is not allowed */

#ifdef FEAT_AUTOCMD
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. */
#endif
#ifdef FEAT_EVAL
# define 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 */

#ifdef FEAT_VISUAL
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_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 */
#endif

#ifdef FEAT_MOUSE
/*
* 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;
#endif

/*
* 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);

#ifdef FEAT_COMMENTS
/*
* 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);
#endif

#ifdef FEAT_SCROLLBIND
/*
* 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);
#endif

#ifdef FEAT_SMARTINDENT
/*
* 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);
#endif

EXTERN pos_T saved_cursor /* w_cursor before formatting text. */
#ifdef DO_INIT
= INIT_POS_T(0, 0, 0)
#endif
;

/*
* Stuff for insert mode.
*/
EXTERN pos_T Insstart; /* This is where the latest
* insert/append mode started. */
#ifdef FEAT_VREPLACE
/*
* Stuff for VREPLACE mode.
*/
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 */
#endif

#if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)
/* argument to SETJMP() for handling X IO errors */
EXTERN JMP_BUF x_jump_env;
#endif

#if defined(HAVE_SETJMP_H)
/*
* Stuff for setjmp() and longjmp().
* Used to protect areas where we could crash.
*/
EXTERN JMP_BUF lc_jump_env; /* argument to SETJMP() */
# ifdef SIGHASARG
/* volatile because it is used in signal handlers. */
EXTERN volatile int lc_signal; /* caught signal number, 0 when no was signal
caught; used for mch_libcall() */
# endif
/* volatile because it is used in signal handler deathtrap(). */
EXTERN volatile int lc_active INIT(= FALSE); /* TRUE when lc_jump_env is valid. */
#endif

#if defined(FEAT_MBYTE) || defined(FEAT_POSTSCRIPT)
/*
* 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
#endif

#ifdef FEAT_MBYTE
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. */
# ifdef WIN3264
/* 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 */

# if defined(WIN3264) && defined(FEAT_MBYTE)
EXTERN int wide_WindowProc INIT(= FALSE); /* use wide WindowProc() */
# endif

/*
* 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 following composing chars */
EXTERN int (*mb_ptr2len) __ARGS((char_u *p)) INIT(= latin_ptr2len);
/* idem, with limit on string length */
EXTERN int (*mb_ptr2len_len) __ARGS((char_u *p, int size)) INIT(= latin_ptr2len_len);
/* byte length of char */
EXTERN int (*mb_char2len) __ARGS((int c)) INIT(= latin_char2len);
/* convert char to bytes, return the length */
EXTERN int (*mb_char2bytes) __ARGS((int c, char_u *buf)) INIT(= latin_char2bytes);
EXTERN int (*mb_ptr2cells) __ARGS((char_u *p)) INIT(= latin_ptr2cells);
EXTERN int (*mb_ptr2cells_len) __ARGS((char_u *p, int size)) INIT(= latin_ptr2cells_len);
EXTERN int (*mb_char2cells) __ARGS((int c)) INIT(= latin_char2cells);
EXTERN int (*mb_off2cells) __ARGS((unsigned off, unsigned max_off)) INIT(= latin_off2cells);
EXTERN int (*mb_ptr2char) __ARGS((char_u *p)) INIT(= latin_ptr2char);
EXTERN int (*mb_head_off) __ARGS((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

#endif /* FEAT_MBYTE */

#ifdef FEAT_XIM
# if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_MACVIM)
# ifndef FEAT_GUI_MACVIM
EXTERN GtkIMContext *xic INIT(= NULL);
# endif
/*
* 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

#ifdef FEAT_HANGULIN
EXTERN int composing_hangul INIT(= 0);
EXTERN char_u composing_hangul_buffer[5];
#endif

/*
* "State" is the main state of Vim.
* There are other variables that modify the state:
* "Visual_mode" When State is NORMAL or INSERT.
* "finish_op" When State is NORMAL, after typing the operator and before
* typing the motion command.
*/
EXTERN int State INIT(= NORMAL); /* This is the current state of the
* command interpreter. */

EXTERN int finish_op INIT(= FALSE);/* TRUE while an operator is pending */
EXTERN int opcount INIT(= 0); /* count for pending operator */

/*
* ex mode (Q) state
*/
EXTERN int exmode_active INIT(= 0); /* zero, EXMODE_NORMAL or EXMODE_VIM */
EXTERN int ex_no_reprint INIT(= FALSE); /* no need to print after z or p */

EXTERN int Recording INIT(= FALSE); /* TRUE when recording into a reg. */
EXTERN int Exec_reg INIT(= FALSE); /* TRUE when executing a register */

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_u_sync INIT(= 0); /* Don't call u_sync() */

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 */
#ifdef FEAT_INS_EXPAND
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 */
EXTERN int ctrl_x_mode INIT(= 0); /* Which Ctrl-X mode are we in? */
#endif

EXTERN int no_abbr INIT(= TRUE); /* TRUE when no abbreviations loaded */
#ifdef MSDOS
EXTERN int beep_count INIT(= 0); /* nr of beeps since last char typed */
#endif

#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); /* 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 msg_silent INIT(= 0); /* don't print messages */
EXTERN int emsg_silent INIT(= 0); /* don't print error messages */
EXTERN int cmd_silent INIT(= FALSE); /* don't echo the command line */

#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) \
|| defined(FEAT_AUTOCMD)
# define HAS_SWAP_EXISTS_ACTION
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. */
#endif

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_u 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 struct buffheader stuffbuff /* stuff buffer */
#ifdef DO_INIT
= {{NULL, {NUL}}, NULL, 0, 0}
#endif
;
EXTERN typebuf_T typebuf /* typeahead buffer */
#ifdef DO_INIT
= {NULL, NULL, 0, 0, 0, 0, 0, 0, 0}
#endif
;
#ifdef FEAT_EX_EXTRA
EXTERN int ex_normal_busy INIT(= 0); /* recursiveness of ex_normal() */
EXTERN int ex_normal_lock INIT(= 0); /* forbid use of ex_normal() */
#endif
#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 USE_IM_CONTROL
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 char_u chartab[256]; /* table used in charset.c; See
init_chartab() for explanation */

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 */

EXTERN int need_highlight_changed INIT(= TRUE);
EXTERN char_u *use_viminfo INIT(= NULL); /* name of viminfo file to use */

#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 */

/* volatile because it is used in signal handler catch_sigint(). */
EXTERN volatile int got_int INIT(= FALSE); /* set to TRUE when interrupt
signal occurred */
#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 int 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 */
EXTERN char_u *last_cmdline INIT(= NULL); /* last command line (for ":) */
EXTERN char_u *repeat_cmdline INIT(= NULL); /* command line for "." */
#ifdef FEAT_CMDHIST
EXTERN char_u *new_last_cmdline INIT(= NULL); /* new value for last_cmdline */
#endif
#ifdef FEAT_AUTOCMD
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 did_cursorhold INIT(= FALSE); /* set when CursorHold t'gerd */
EXTERN pos_T last_cursormoved /* for CursorMoved event */
# ifdef DO_INIT
= INIT_POS_T(0, 0, 0)
# endif
;
#endif

#ifdef FEAT_WINDOWS
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.tab */
# ifdef FEAT_QUICKFIX
EXTERN int g_do_tagpreview INIT(= 0); /* for tag preview commands:
height of preview window */
# endif
#endif
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 */
#endif

#ifdef FEAT_LANGMAP
EXTERN char_u langmap_mapchar[256]; /* mapping for language keys */
#endif

#ifdef FEAT_WILDMENU
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 */
#endif

#ifdef MSWIN
EXTERN char_u toupper_tab[256]; /* table for toupper() */
EXTERN char_u tolower_tab[256]; /* table for tolower() */
#endif

#ifdef FEAT_LINEBREAK
EXTERN char breakat_flags[256]; /* which characters are in 'breakat' */
#endif

/* these are in version.c */
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

/* 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);

/* Characters from 'listchars' option */
EXTERN int lcs_eol INIT(= '$');
EXTERN int lcs_ext INIT(= NUL);
EXTERN int lcs_prec INIT(= NUL);
EXTERN int lcs_nbsp INIT(= NUL);
EXTERN int lcs_tab1 INIT(= NUL);
EXTERN int lcs_tab2 INIT(= NUL);
EXTERN int lcs_trail INIT(= NUL);
#ifdef FEAT_CONCEAL
EXTERN int lcs_conceal INIT(= '-');
#endif

#if defined(FEAT_WINDOWS) || defined(FEAT_WILDMENU) || defined(FEAT_STL_OPT) \
|| defined(FEAT_FOLDING)
/* Characters from 'fillchars' option */
EXTERN int fill_stl INIT(= ' ');
EXTERN int fill_stlnc INIT(= ' ');
#endif
#if defined(FEAT_WINDOWS) || defined(FEAT_FOLDING)
EXTERN int fill_vert INIT(= ' ');
EXTERN int fill_fold INIT(= '-');
EXTERN int fill_diff INIT(= '-');
#endif

#ifdef FEAT_VISUAL
/* Whether 'keymodel' contains "stopsel" and "startsel". */
EXTERN int km_stopsel INIT(= FALSE);
EXTERN int km_startsel INIT(= FALSE);
#endif

#ifdef FEAT_CMDWIN
EXTERN int cedit_key INIT(= -1); /* key value of 'cedit' option */
EXTERN int cmdwin_type INIT(= 0); /* type of cmdline window or 0 */
EXTERN int cmdwin_result INIT(= 0); /* result of cmdline window or 0 */
#endif

EXTERN char_u no_lines_msg[] INIT(= N_("--No lines in buffer--"));

/*
* 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 */

/* table to store parsed 'wildmode' */
EXTERN char_u wim_flags[4];

#if defined(FEAT_TITLE) && 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

#ifdef FEAT_SEARCH_EXTRA
/* don't use 'hlsearch' temporarily */
EXTERN int no_hlsearch INIT(= FALSE);
#endif

#if defined(FEAT_BEVAL) && !defined(NO_X11_INCLUDES)
EXTERN BalloonEval *balloonEval INIT(= NULL);
# if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP)
EXTERN int bevalServers INIT(= 0);
# define BEVAL_NETBEANS 0x01
# define BEVAL_WORKSHOP 0x02
# 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
EXTERN char *xterm_display INIT(= NULL); /* xterm display name; points
into argv[] */
EXTERN Display *xterm_dpy INIT(= NULL); /* xterm display pointer */
#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_W32
/*
* 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);
# elif defined(WIN32)
# ifdef PROTO
typedef int HWND;
# endif
EXTERN HWND clientWindow INIT(= 0);
# elif defined(MAC_CLIENTSERVER)
EXTERN int 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 */
EXTERN char pseps[2] /* normal path separator string */
# ifdef DO_INIT
= {'\\', 0}
# endif
;
#endif

#ifdef FEAT_VIRTUALEDIT
/* 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);
#endif

#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 ALT_X_INPUT
/* we need to be able to go into the dispatch loop while processing a command
* received via alternate input. However, we don't want to process another
* command until the first is completed.
*/
EXTERN int suppress_alternate_input 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

/*
* The error messages that can be shared are included here.
* Excluded are errors that are only used once and debugging messages.
*/
EXTERN char_u e_abort[] INIT(= N_("E470: Command aborted"));
EXTERN char_u e_argreq[] INIT(= N_("E471: Argument required"));
EXTERN char_u e_backslash[] INIT(= N_("E10: \\ should be followed by /, ? or &"));
#ifdef FEAT_CMDWIN
EXTERN char_u e_cmdwin[] INIT(= N_("E11: Invalid in command-line window; <CR> executes, CTRL-C quits"));
#endif
EXTERN char_u e_curdir[] INIT(= N_("E12: Command not allowed from exrc/vimrc in current dir or tag search"));
#ifdef FEAT_EVAL
EXTERN char_u e_endif[] INIT(= N_("E171: Missing :endif"));
EXTERN char_u e_endtry[] INIT(= N_("E600: Missing :endtry"));
EXTERN char_u e_endwhile[] INIT(= N_("E170: Missing :endwhile"));
EXTERN char_u e_endfor[] INIT(= N_("E170: Missing :endfor"));
EXTERN char_u e_while[] INIT(= N_("E588: :endwhile without :while"));
EXTERN char_u e_for[] INIT(= N_("E588: :endfor without :for"));
#endif
EXTERN char_u e_exists[] INIT(= N_("E13: File exists (add ! to override)"));
EXTERN char_u e_failed[] INIT(= N_("E472: Command failed"));
#if defined(FEAT_GUI) && defined(FEAT_XFONTSET)
EXTERN char_u e_fontset[] INIT(= N_("E234: Unknown fontset: %s"));
#endif
#if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) || defined(MACOS) \
|| defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MSWIN)
EXTERN char_u e_font[] INIT(= N_("E235: Unknown font: %s"));
#endif
#if defined(FEAT_GUI_X11) && !defined(FEAT_GUI_GTK)
EXTERN char_u e_fontwidth[] INIT(= N_("E236: Font \"%s\" is not fixed-width"));
#endif
EXTERN char_u e_internal[] INIT(= N_("E473: Internal error"));
EXTERN char_u e_interr[] INIT(= N_("Interrupted"));
EXTERN char_u e_invaddr[] INIT(= N_("E14: Invalid address"));
EXTERN char_u e_invarg[] INIT(= N_("E474: Invalid argument"));
EXTERN char_u e_invarg2[] INIT(= N_("E475: Invalid argument: %s"));
#ifdef FEAT_EVAL
EXTERN char_u e_invexpr2[] INIT(= N_("E15: Invalid expression: %s"));
#endif
EXTERN char_u e_invrange[] INIT(= N_("E16: Invalid range"));
EXTERN char_u e_invcmd[] INIT(= N_("E476: Invalid command"));
#if defined(UNIX) || defined(FEAT_SYN_HL) || defined(FEAT_SPELL)
EXTERN char_u e_isadir2[] INIT(= N_("E17: \"%s\" is a directory"));
#endif
#ifdef FEAT_LIBCALL
EXTERN char_u e_libcall[] INIT(= N_("E364: Library call failed for \"%s()\""));
#endif
#if defined(DYNAMIC_PERL) \
|| defined(DYNAMIC_PYTHON) || defined(DYNAMIC_PYTHON3) \
|| defined(DYNAMIC_RUBY) \
|| defined(DYNAMIC_TCL) \
|| defined(DYNAMIC_ICONV) \
|| defined(DYNAMIC_GETTEXT) \
|| defined(DYNAMIC_MZSCHEME) \
|| defined(DYNAMIC_LUA)
EXTERN char_u e_loadlib[] INIT(= N_("E370: Could not load library %s"));
EXTERN char_u e_loadfunc[] INIT(= N_("E448: Could not load library function %s"));
#endif
EXTERN char_u e_markinval[] INIT(= N_("E19: Mark has invalid line number"));
EXTERN char_u e_marknotset[] INIT(= N_("E20: Mark not set"));
EXTERN char_u e_modifiable[] INIT(= N_("E21: Cannot make changes, 'modifiable' is off"));
EXTERN char_u e_nesting[] INIT(= N_("E22: Scripts nested too deep"));
EXTERN char_u e_noalt[] INIT(= N_("E23: No alternate file"));
EXTERN char_u e_noabbr[] INIT(= N_("E24: No such abbreviation"));
EXTERN char_u e_nobang[] INIT(= N_("E477: No ! allowed"));
#ifndef FEAT_GUI
EXTERN char_u e_nogvim[] INIT(= N_("E25: GUI cannot be used: Not enabled at compile time"));
#endif
#ifndef FEAT_RIGHTLEFT
EXTERN char_u e_nohebrew[] INIT(= N_("E26: Hebrew cannot be used: Not enabled at compile time\n"));
#endif
#ifndef FEAT_FKMAP
EXTERN char_u e_nofarsi[] INIT(= N_("E27: Farsi cannot be used: Not enabled at compile time\n"));
#endif
#ifndef FEAT_ARABIC
EXTERN char_u e_noarabic[] INIT(= N_("E800: Arabic cannot be used: Not enabled at compile time\n"));
#endif
#if defined(FEAT_SEARCH_EXTRA) || defined(FEAT_SYN_HL)
EXTERN char_u e_nogroup[] INIT(= N_("E28: No such highlight group name: %s"));
#endif
EXTERN char_u e_noinstext[] INIT(= N_("E29: No inserted text yet"));
EXTERN char_u e_nolastcmd[] INIT(= N_("E30: No previous command line"));
EXTERN char_u e_nomap[] INIT(= N_("E31: No such mapping"));
EXTERN char_u e_nomatch[] INIT(= N_("E479: No match"));
EXTERN char_u e_nomatch2[] INIT(= N_("E480: No match: %s"));
EXTERN char_u e_noname[] INIT(= N_("E32: No file name"));
EXTERN char_u e_nopresub[] INIT(= N_("E33: No previous substitute regular expression"));
EXTERN char_u e_noprev[] INIT(= N_("E34: No previous command"));
EXTERN char_u e_noprevre[] INIT(= N_("E35: No previous regular expression"));
EXTERN char_u e_norange[] INIT(= N_("E481: No range allowed"));
#ifdef FEAT_WINDOWS
EXTERN char_u e_noroom[] INIT(= N_("E36: Not enough room"));
#endif
#ifdef FEAT_CLIENTSERVER
EXTERN char_u e_noserver[] INIT(= N_("E247: no registered server named \"%s\""));
#endif
EXTERN char_u e_notcreate[] INIT(= N_("E482: Can't create file %s"));
EXTERN char_u e_notmp[] INIT(= N_("E483: Can't get temp file name"));
EXTERN char_u e_notopen[] INIT(= N_("E484: Can't open file %s"));
EXTERN char_u e_notread[] INIT(= N_("E485: Can't read file %s"));
EXTERN char_u e_nowrtmsg[] INIT(= N_("E37: No write since last change (add ! to override)"));
EXTERN char_u e_null[] INIT(= N_("E38: Null argument"));
#ifdef FEAT_DIGRAPHS
EXTERN char_u e_number_exp[] INIT(= N_("E39: Number expected"));
#endif
#ifdef FEAT_QUICKFIX
EXTERN char_u e_openerrf[] INIT(= N_("E40: Can't open errorfile %s"));
#endif
#if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)
EXTERN char_u e_opendisp[] INIT(= N_("E233: cannot open display"));
#endif
EXTERN char_u e_outofmem[] INIT(= N_("E41: Out of memory!"));
#ifdef FEAT_INS_EXPAND
EXTERN char_u e_patnotf[] INIT(= N_("Pattern not found"));
#endif
EXTERN char_u e_patnotf2[] INIT(= N_("E486: Pattern not found: %s"));
EXTERN char_u e_positive[] INIT(= N_("E487: Argument must be positive"));
#if defined(UNIX) || defined(FEAT_SESSION)
EXTERN char_u e_prev_dir[] INIT(= N_("E459: Cannot go back to previous directory"));
#endif

#ifdef FEAT_QUICKFIX
EXTERN char_u e_quickfix[] INIT(= N_("E42: No Errors"));
EXTERN char_u e_loclist[] INIT(= N_("E776: No location list"));
#endif
EXTERN char_u e_re_damg[] INIT(= N_("E43: Damaged match string"));
EXTERN char_u e_re_corr[] INIT(= N_("E44: Corrupted regexp program"));
EXTERN char_u e_readonly[] INIT(= N_("E45: 'readonly' option is set (add ! to override)"));
#ifdef FEAT_EVAL
EXTERN char_u e_readonlyvar[] INIT(= N_("E46: Cannot change read-only variable \"%s\""));
EXTERN char_u e_readonlysbx[] INIT(= N_("E794: Cannot set variable in the sandbox: \"%s\""));
#endif
#ifdef FEAT_QUICKFIX
EXTERN char_u e_readerrf[] INIT(= N_("E47: Error while reading errorfile"));
#endif
#ifdef HAVE_SANDBOX
EXTERN char_u e_sandbox[] INIT(= N_("E48: Not allowed in sandbox"));
#endif
EXTERN char_u e_secure[] INIT(= N_("E523: Not allowed here"));
#if defined(AMIGA) || defined(MACOS) || defined(MSWIN) \
|| defined(UNIX) || defined(VMS) || defined(OS2)
EXTERN char_u e_screenmode[] INIT(= N_("E359: Screen mode setting not supported"));
#endif
EXTERN char_u e_scroll[] INIT(= N_("E49: Invalid scroll size"));
EXTERN char_u e_shellempty[] INIT(= N_("E91: 'shell' option is empty"));
#if defined(FEAT_SIGN_ICONS) && !defined(FEAT_GUI_GTK)
EXTERN char_u e_signdata[] INIT(= N_("E255: Couldn't read in sign data!"));
#endif
EXTERN char_u e_swapclose[] INIT(= N_("E72: Close error on swap file"));
EXTERN char_u e_tagstack[] INIT(= N_("E73: tag stack empty"));
EXTERN char_u e_toocompl[] INIT(= N_("E74: Command too complex"));
EXTERN char_u e_longname[] INIT(= N_("E75: Name too long"));
EXTERN char_u e_toomsbra[] INIT(= N_("E76: Too many ["));
EXTERN char_u e_toomany[] INIT(= N_("E77: Too many file names"));
EXTERN char_u e_trailing[] INIT(= N_("E488: Trailing characters"));
EXTERN char_u e_umark[] INIT(= N_("E78: Unknown mark"));
EXTERN char_u e_wildexpand[] INIT(= N_("E79: Cannot expand wildcards"));
#ifdef FEAT_WINDOWS
EXTERN char_u e_winheight[] INIT(= N_("E591: 'winheight' cannot be smaller than 'winminheight'"));
# ifdef FEAT_VERTSPLIT
EXTERN char_u e_winwidth[] INIT(= N_("E592: 'winwidth' cannot be smaller than 'winminwidth'"));
# endif
#endif
EXTERN char_u e_write[] INIT(= N_("E80: Error while writing"));
EXTERN char_u e_zerocount[] INIT(= N_("Zero count"));
#ifdef FEAT_EVAL
EXTERN char_u e_usingsid[] INIT(= N_("E81: Using <SID> not in a script context"));
#endif
#ifdef FEAT_CLIENTSERVER
EXTERN char_u e_invexprmsg[] INIT(= N_("E449: Invalid expression received"));
#endif
#ifdef FEAT_NETBEANS_INTG
EXTERN char_u e_guarded[] INIT(= N_("E463: Region is guarded, cannot modify"));
EXTERN char_u e_nbreadonly[] INIT(= N_("E744: NetBeans does not allow changes in read-only files"));
#endif
EXTERN char_u e_intern2[] INIT(= N_("E685: Internal error: %s"));
EXTERN char_u e_maxmempat[] INIT(= N_("E363: pattern uses more memory than 'maxmempattern'"));
EXTERN char_u e_emptybuf[] INIT(= N_("E749: empty buffer"));

#ifdef FEAT_EX_EXTRA
EXTERN char_u e_invalpat[] INIT(= N_("E682: Invalid search pattern or delimiter"));
#endif
EXTERN char_u e_bufloaded[] INIT(= N_("E139: File is loaded in another buffer"));
#if defined(FEAT_SYN_HL) || \
(defined(FEAT_INS_EXPAND) && defined(FEAT_COMPL_FUNC))
EXTERN char_u e_notset[] INIT(= N_("E764: Option '%s' is not set"));
#endif
#ifndef FEAT_CLIPBOARD
EXTERN char_u e_invalidreg[] INIT(= N_("E850: Invalid register name"));
#endif

#ifdef MACOS_X_UNIX
EXTERN short disallow_gui INIT(= FALSE);
#endif

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"));

#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

/* For undo we need to know the lowest time possible. */
EXTERN time_t starttime;

#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 ignored;
EXTERN char *ignoredp;

/*
* Optional Farsi support. Include it here, so EXTERN and INIT are defined.
*/
#ifdef FEAT_FKMAP
# include "farsi.h"
#endif

/*
* Optional Arabic support. Include it here, so EXTERN and INIT are defined.
*/
#ifdef FEAT_ARABIC
# include "arabic.h"
#endif
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