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nano.h

/* $Id: nano.h,v 1.187 2006/11/21 04:20:53 dolorous Exp $ */
/**************************************************************************
 *   nano.h                                                               *
 *                                                                        *
 *   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 Chris Allegretta    *
 *   Copyright (C) 2005, 2006 David Lawrence Ramsey                       *
 *   This program is free software; you can redistribute it and/or modify *
 *   it under the terms of the GNU General Public License as published by *
 *   the Free Software Foundation; either version 2, or (at your option)  *
 *   any later version.                                                   *
 *                                                                        *
 *   This program is distributed in the hope that it will be useful, but  *
 *   WITHOUT ANY WARRANTY; without even the implied warranty of           *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU    *
 *   General Public License for more details.                             *
 *                                                                        *
 *   You should have received a copy of the GNU General Public License    *
 *   along with this program; if not, write to the Free Software          *
 *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA            *
 *   02110-1301, USA.                                                     *
 *                                                                        *
 **************************************************************************/

#ifndef NANO_H
#define NANO_H 1

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#ifdef __TANDEM
/* Tandem NonStop Kernel support. */
#include <floss.h>
#define NANO_ROOT_UID 65535
#else
#define NANO_ROOT_UID 0
#endif

#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif

#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif

/* Macros for flags. */
#define SET(bit) flags |= bit
#define UNSET(bit) flags &= ~bit
#define ISSET(bit) ((flags & bit) != 0)
#define TOGGLE(bit) flags ^= bit

/* Macros for character allocation, etc. */
#define charalloc(howmuch) (char *)nmalloc((howmuch) * sizeof(char))
#define charealloc(ptr, howmuch) (char *)nrealloc(ptr, (howmuch) * sizeof(char))
#define charmove(dest, src, n) memmove(dest, src, (n) * sizeof(char))
#define charset(dest, src, n) memset(dest, src, (n) * sizeof(char))

/* Set a default value for PATH_MAX if there isn't one. */
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif

#ifdef USE_SLANG
/* Slang support. */
#include <slcurses.h>
/* Slang curses emulation brain damage, part 3: Slang doesn't define the
 * curses equivalents of the Insert or Delete keys. */
#define KEY_DC SL_KEY_DELETE
#define KEY_IC SL_KEY_IC
/* Ncurses support. */
#elif defined(HAVE_NCURSES_H)
#include <ncurses.h>
#else
/* Curses support. */
#include <curses.h>
#endif /* CURSES_H */

#ifdef ENABLE_NLS
/* Native language support. */
#ifdef HAVE_LIBINTL_H
#include <libintl.h>
#endif
#define _(string) gettext(string)
#define P_(singular, plural, number) ngettext(singular, plural, number)
#else
#define _(string) (string)
#define P_(singular, plural, number) (number == 1 ? singular : plural)
#endif
#define gettext_noop(string) (string)
#define N_(string) gettext_noop(string)
      /* Mark a string that will be sent to gettext() later. */

#include <stddef.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#ifdef HAVE_REGEX_H
#include <regex.h>
#endif
#ifndef NANO_TINY
#include <setjmp.h>
#endif
#include <assert.h>

/* If no vsnprintf(), use the version from glib 2.x. */
#ifndef HAVE_VSNPRINTF
#include <glib.h>
#define vsnprintf g_vsnprintf
#endif

/* If no isblank(), iswblank(), strcasecmp(), strncasecmp(),
 * strcasestr(), strnlen(), getdelim(), or getline(), use the versions
 * we have. */
#ifndef HAVE_ISBLANK
#define isblank nisblank
#endif
#ifndef HAVE_ISWBLANK
#define iswblank niswblank
#endif
#ifndef HAVE_STRCASECMP
#define strcasecmp nstrcasecmp
#endif
#ifndef HAVE_STRNCASECMP
#define strncasecmp nstrncasecmp
#endif
#ifndef HAVE_STRCASESTR
#define strcasestr nstrcasestr
#endif
#ifndef HAVE_STRNLEN
#define strnlen nstrnlen
#endif
#ifndef HAVE_GETDELIM
#define getdelim ngetdelim
#endif
#ifndef HAVE_GETLINE
#define getline ngetline
#endif

/* If we aren't using ncurses with mouse support, turn the mouse support
 * off, as it's useless then. */
#ifndef NCURSES_MOUSE_VERSION
#define DISABLE_MOUSE 1
#endif

#if defined(DISABLE_WRAPPING) && defined(DISABLE_JUSTIFY)
#define DISABLE_WRAPJUSTIFY 1
#endif

/* Enumeration types. */
typedef enum {
    NIX_FILE, DOS_FILE, MAC_FILE
} file_format;

typedef enum {
    OVERWRITE, APPEND, PREPEND
} append_type;

typedef enum {
    UP_DIR, DOWN_DIR
} scroll_dir;

typedef enum {
    CENTER, NONE
} update_type;

/* Structure types. */
typedef struct filestruct {
    char *data;
      /* The text of this line. */
    ssize_t lineno;
      /* The number of this line. */
    struct filestruct *next;
      /* Next node. */
    struct filestruct *prev;
      /* Previous node. */
} filestruct;

typedef struct partition {
    filestruct *fileage;
      /* The top line of this portion of the file. */
    filestruct *top_prev;
      /* The line before the top line of this portion of the file. */
    char *top_data;
      /* The text before the beginning of the top line of this portion
       * of the file. */
    filestruct *filebot;
      /* The bottom line of this portion of the file. */
    filestruct *bot_next;
      /* The line after the bottom line of this portion of the
       * file. */
    char *bot_data;
      /* The text after the end of the bottom line of this portion of
       * the file. */
} partition;

#ifdef ENABLE_COLOR
typedef struct colortype {
    short fg;
      /* This syntax's foreground color. */
    short bg;
      /* This syntax's background color. */
    bool bright;
      /* Is this color A_BOLD? */
    bool icase;
      /* Is this regex string case insensitive? */
    int pairnum;
      /* The color pair number used for this foreground color and
       * background color. */
    char *start_regex;
      /* The start (or all) of the regex string. */
    regex_t *start;
      /* The compiled start (or all) of the regex string. */
    char *end_regex;
      /* The end (if any) of the regex string. */
    regex_t *end;
      /* The compiled end (if any) of the regex string. */
    struct colortype *next;
      /* Next set of colors. */
} colortype;

typedef struct exttype {
    char *ext_regex;
      /* The extensions that match this syntax. */
    regex_t *ext;
      /* The compiled extensions that match this syntax. */
    struct exttype *next;
      /* Next set of extensions. */
} exttype;

typedef struct syntaxtype {
    char *desc;
      /* The name of this syntax. */
    exttype *extensions;
      /* The list of extensions that this syntax applies to. */
    colortype *color;
      /* The colors used in this syntax. */
    struct syntaxtype *next;
      /* Next syntax. */
} syntaxtype;
#endif /* ENABLE_COLOR */

typedef struct openfilestruct {
    char *filename;
      /* The current file's name. */
    filestruct *fileage;
      /* The current file's first line. */
    filestruct *filebot;
      /* The current file's last line. */
    filestruct *edittop;
      /* The current top of the edit window. */
    filestruct *current;
      /* The current file's current line. */
    size_t totsize;
      /* The current file's total number of characters. */
    size_t current_x;
      /* The current file's x-coordinate position. */
    size_t placewewant;
      /* The current file's place we want. */
    ssize_t current_y;
      /* The current file's y-coordinate position. */
    bool modified;
      /* Whether the current file has been modified. */
#ifndef NANO_TINY
    bool mark_set;
      /* Whether the mark is on in the current file. */
    filestruct *mark_begin;
      /* The current file's beginning marked line, if any. */
    size_t mark_begin_x;
      /* The current file's beginning marked line's x-coordinate
       * position, if any. */
    file_format fmt;
      /* The current file's format. */
    struct stat *current_stat;
      /* The current file's stat. */
#endif
#ifdef ENABLE_COLOR
    colortype *colorstrings;
      /* The current file's associated colors. */
#endif
    struct openfilestruct *next;
      /* Next node. */
    struct openfilestruct *prev;
      /* Previous node. */
} openfilestruct;

typedef struct shortcut {
    const char *desc;
      /* The function's description, e.g. "Page Up". */
#ifndef DISABLE_HELP
    const char *help;
      /* The help file entry text for this function. */
    bool blank_after;
      /* Whether there should be a blank line after the help entry
       * text for this function. */
#endif
    /* Note: Key values that aren't used should be set to
     * NANO_NO_KEY. */
    int ctrlval;
      /* The special sentinel key or control key we want bound, if
       * any. */
    int metaval;
      /* The meta key we want bound, if any. */
    int funcval;
      /* The function key we want bound, if any. */
    int miscval;
      /* The other meta key we want bound, if any. */
    bool viewok;
      /* Is this function allowed when in view mode? */
    void (*func)(void);
      /* The function to call when we get this key. */
    struct shortcut *next;
      /* Next shortcut. */
} shortcut;

#ifndef NANO_TINY
typedef struct toggle {
   int val;
      /* The sequence to toggle the key.  We should only need one. */
   const char *desc;
      /* The description of the toggle, e.g. "Cut to end"; we'll
       * append Enabled or Disabled to it. */
#ifndef DISABLE_HELP
   bool blank_after;
      /* Whether there should be a blank line after the description of
       * the toggle. */
#endif
   long flag;
      /* Which flag actually gets toggled. */
   struct toggle *next;
      /* Next toggle. */
} toggle;
#endif

#ifdef ENABLE_NANORC
typedef struct rcoption {
   const char *name;
      /* The name of the rcfile option. */
   long flag;
      /* The flag associated with it, if any. */
} rcoption;
#endif

/* Bitwise flags so that we can save space (or, more correctly, not
 * waste it). */
#define CASE_SENSITIVE              (1<<0)
#define CONST_UPDATE                (1<<1)
#define NO_HELP                     (1<<2)
#define NOFOLLOW_SYMLINKS           (1<<3)
#define SUSPEND                     (1<<4)
#define NO_WRAP                     (1<<5)
#define AUTOINDENT                  (1<<6)
#define VIEW_MODE             (1<<7)
#define USE_MOUSE             (1<<8)
#define USE_REGEXP                  (1<<9)
#define TEMP_FILE             (1<<10)
#define CUT_TO_END                  (1<<11)
#define BACKWARDS_SEARCH            (1<<12)
#define MULTIBUFFER                 (1<<13)
#define SMOOTH_SCROLL               (1<<14)
#define REBIND_DELETE               (1<<15)
#define REBIND_KEYPAD               (1<<16)
#define NO_CONVERT                  (1<<17)
#define BACKUP_FILE                 (1<<18)
#define NO_COLOR_SYNTAX             (1<<19)
#define PRESERVE              (1<<20)
#define HISTORYLOG                  (1<<21)
#define RESTRICTED                  (1<<22)
#define SMART_HOME                  (1<<23)
#define WHITESPACE_DISPLAY          (1<<24)
#define MORE_SPACE                  (1<<25)
#define TABS_TO_SPACES              (1<<26)
#define QUICK_BLANK                 (1<<27)
#define WORD_BOUNDS                 (1<<28)
#define NO_NEWLINES                 (1<<29)
#define BOLD_TEXT             (1<<30)

/* Control key sequences.  Changing these would be very, very bad. */
#define NANO_CONTROL_SPACE 0
#define NANO_CONTROL_A 1
#define NANO_CONTROL_B 2
#define NANO_CONTROL_C 3
#define NANO_CONTROL_D 4
#define NANO_CONTROL_E 5
#define NANO_CONTROL_F 6
#define NANO_CONTROL_G 7
#define NANO_CONTROL_H 8
#define NANO_CONTROL_I 9
#define NANO_CONTROL_J 10
#define NANO_CONTROL_K 11
#define NANO_CONTROL_L 12
#define NANO_CONTROL_M 13
#define NANO_CONTROL_N 14
#define NANO_CONTROL_O 15
#define NANO_CONTROL_P 16
#define NANO_CONTROL_Q 17
#define NANO_CONTROL_R 18
#define NANO_CONTROL_S 19
#define NANO_CONTROL_T 20
#define NANO_CONTROL_U 21
#define NANO_CONTROL_V 22
#define NANO_CONTROL_W 23
#define NANO_CONTROL_X 24
#define NANO_CONTROL_Y 25
#define NANO_CONTROL_Z 26
#define NANO_CONTROL_3 27
#define NANO_CONTROL_4 28
#define NANO_CONTROL_5 29
#define NANO_CONTROL_6 30
#define NANO_CONTROL_7 31
#define NANO_CONTROL_8 127

/* Meta key sequences. */
#define NANO_META_SPACE ' '
#define NANO_META_LPARENTHESIS '('
#define NANO_META_RPARENTHESIS ')'
#define NANO_META_PLUS '+'
#define NANO_META_COMMA ','
#define NANO_META_MINUS '-'
#define NANO_META_PERIOD '.'
#define NANO_META_SLASH '/'
#define NANO_META_0 '0'
#define NANO_META_6 '6'
#define NANO_META_9 '9'
#define NANO_META_LCARET '<'
#define NANO_META_EQUALS '='
#define NANO_META_RCARET '>'
#define NANO_META_QUESTION '?'
#define NANO_META_BACKSLASH '\\'
#define NANO_META_RBRACKET ']'
#define NANO_META_CARET '^'
#define NANO_META_UNDERSCORE '_'
#define NANO_META_A 'a'
#define NANO_META_B 'b'
#define NANO_META_C 'c'
#define NANO_META_D 'd'
#define NANO_META_E 'e'
#define NANO_META_F 'f'
#define NANO_META_G 'g'
#define NANO_META_H 'h'
#define NANO_META_I 'i'
#define NANO_META_J 'j'
#define NANO_META_K 'k'
#define NANO_META_L 'l'
#define NANO_META_M 'm'
#define NANO_META_N 'n'
#define NANO_META_O 'o'
#define NANO_META_P 'p'
#define NANO_META_Q 'q'
#define NANO_META_R 'r'
#define NANO_META_S 's'
#define NANO_META_T 't'
#define NANO_META_U 'u'
#define NANO_META_V 'v'
#define NANO_META_W 'w'
#define NANO_META_X 'x'
#define NANO_META_Y 'y'
#define NANO_META_Z 'z'
#define NANO_META_LCURLYBRACKET '{'
#define NANO_META_PIPE '|'
#define NANO_META_RCURLYBRACKET '}'

/* Some semi-changeable keybindings; don't play with these unless you're
 * sure you know what you're doing.  Assume ERR is defined as -1. */

/* No key at all. */
#define NANO_NO_KEY                 -2

/* Normal keys. */
#define NANO_XON_KEY                NANO_CONTROL_Q
#define NANO_XOFF_KEY               NANO_CONTROL_S
#define NANO_CANCEL_KEY             NANO_CONTROL_C
#define NANO_EXIT_KEY               NANO_CONTROL_X
#define NANO_EXIT_FKEY              KEY_F(2)
#define NANO_INSERTFILE_KEY         NANO_CONTROL_R
#define NANO_INSERTFILE_FKEY        KEY_F(5)
#define NANO_TOOTHERINSERT_KEY            NANO_CONTROL_X
#define NANO_WRITEOUT_KEY           NANO_CONTROL_O
#define NANO_WRITEOUT_FKEY          KEY_F(3)
#define NANO_GOTOLINE_KEY           NANO_CONTROL_7
#define NANO_GOTOLINE_FKEY          KEY_F(13)
#define NANO_GOTOLINE_METAKEY       NANO_META_G
#define NANO_GOTODIR_KEY            NANO_CONTROL_7
#define NANO_GOTODIR_FKEY           KEY_F(13)
#define NANO_GOTODIR_METAKEY        NANO_META_G
#define NANO_TOGOTOLINE_KEY         NANO_CONTROL_T
#define NANO_HELP_KEY               NANO_CONTROL_G
#define NANO_HELP_FKEY              KEY_F(1)
#define NANO_WHEREIS_KEY            NANO_CONTROL_W
#define NANO_WHEREIS_FKEY           KEY_F(6)
#define NANO_WHEREIS_NEXT_KEY       NANO_META_W
#define NANO_WHEREIS_NEXT_FKEY            KEY_F(16)
#define NANO_TOOTHERWHEREIS_KEY           NANO_CONTROL_T
#define NANO_REGEXP_KEY             NANO_META_R
#define NANO_REPLACE_KEY            NANO_CONTROL_4
#define NANO_REPLACE_FKEY           KEY_F(14)
#define NANO_REPLACE_METAKEY        NANO_META_R
#define NANO_TOOTHERSEARCH_KEY            NANO_CONTROL_R
#define NANO_PREVPAGE_KEY           NANO_CONTROL_Y
#define NANO_PREVPAGE_FKEY          KEY_F(7)
#define NANO_NEXTPAGE_KEY           NANO_CONTROL_V
#define NANO_NEXTPAGE_FKEY          KEY_F(8)
#define NANO_CUT_KEY                NANO_CONTROL_K
#define NANO_CUT_FKEY               KEY_F(9)
#define NANO_COPY_KEY               NANO_META_CARET
#define NANO_COPY_METAKEY           NANO_META_6
#define NANO_UNCUT_KEY              NANO_CONTROL_U
#define NANO_UNCUT_FKEY             KEY_F(10)
#define NANO_CURSORPOS_KEY          NANO_CONTROL_C
#define NANO_CURSORPOS_FKEY         KEY_F(11)
#define NANO_SPELL_KEY              NANO_CONTROL_T
#define NANO_SPELL_FKEY             KEY_F(12)
#define NANO_FIRSTLINE_KEY          NANO_PREVPAGE_KEY
#define NANO_FIRSTLINE_FKEY         NANO_PREVPAGE_FKEY
#define NANO_FIRSTLINE_METAKEY            NANO_META_BACKSLASH
#define NANO_FIRSTLINE_METAKEY2           NANO_META_PIPE
#define NANO_FIRSTFILE_KEY          NANO_FIRSTLINE_KEY
#define NANO_FIRSTFILE_FKEY         NANO_FIRSTLINE_FKEY
#define NANO_FIRSTFILE_METAKEY            NANO_FIRSTLINE_METAKEY
#define NANO_FIRSTFILE_METAKEY2           NANO_FIRSTLINE_METAKEY2
#define NANO_LASTLINE_KEY           NANO_NEXTPAGE_KEY
#define NANO_LASTLINE_FKEY          NANO_NEXTPAGE_FKEY
#define NANO_LASTLINE_METAKEY       NANO_META_SLASH
#define NANO_LASTLINE_METAKEY2            NANO_META_QUESTION
#define NANO_LASTFILE_KEY           NANO_LASTLINE_KEY
#define NANO_LASTFILE_FKEY          NANO_LASTLINE_FKEY
#define NANO_LASTFILE_METAKEY       NANO_LASTLINE_METAKEY
#define NANO_LASTFILE_METAKEY2            NANO_LASTLINE_METAKEY2
#define NANO_REFRESH_KEY            NANO_CONTROL_L
#define NANO_JUSTIFY_KEY            NANO_CONTROL_J
#define NANO_JUSTIFY_FKEY           KEY_F(4)
#define NANO_UNJUSTIFY_KEY          NANO_UNCUT_KEY
#define NANO_UNJUSTIFY_FKEY         NANO_UNCUT_FKEY
#define NANO_PREVLINE_KEY           NANO_CONTROL_P
#define NANO_NEXTLINE_KEY           NANO_CONTROL_N
#define NANO_FORWARD_KEY            NANO_CONTROL_F
#define NANO_BACK_KEY               NANO_CONTROL_B
#define NANO_MARK_KEY               NANO_CONTROL_6
#define NANO_MARK_METAKEY           NANO_META_A
#define NANO_MARK_FKEY              KEY_F(15)
#define NANO_HOME_KEY               NANO_CONTROL_A
#define NANO_END_KEY                NANO_CONTROL_E
#define NANO_DELETE_KEY             NANO_CONTROL_D
#define NANO_BACKSPACE_KEY          NANO_CONTROL_H
#define NANO_TAB_KEY                NANO_CONTROL_I
#define NANO_INDENT_KEY             NANO_META_RCURLYBRACKET
#define NANO_UNINDENT_KEY           NANO_META_LCURLYBRACKET
#define NANO_SUSPEND_KEY            NANO_CONTROL_Z
#define NANO_ENTER_KEY              NANO_CONTROL_M
#define NANO_TOFILES_KEY            NANO_CONTROL_T
#define NANO_APPEND_KEY             NANO_META_A
#define NANO_PREPEND_KEY            NANO_META_P
#define NANO_PREVFILE_KEY           NANO_META_LCARET
#define NANO_PREVFILE_METAKEY       NANO_META_COMMA
#define NANO_NEXTFILE_KEY           NANO_META_RCARET
#define NANO_NEXTFILE_METAKEY       NANO_META_PERIOD
#define NANO_BRACKET_KEY            NANO_META_RBRACKET
#define NANO_NEXTWORD_KEY           NANO_CONTROL_SPACE
#define NANO_PREVWORD_KEY           NANO_META_SPACE
#define NANO_WORDCOUNT_KEY          NANO_META_D
#define NANO_SCROLLUP_KEY           NANO_META_MINUS
#define NANO_SCROLLDOWN_KEY         NANO_META_PLUS
#define NANO_SCROLLUP_METAKEY       NANO_META_UNDERSCORE
#define NANO_SCROLLDOWN_METAKEY           NANO_META_EQUALS
#define NANO_CUTTILLEND_METAKEY           NANO_META_T
#define NANO_PARABEGIN_KEY          NANO_CONTROL_W
#define NANO_PARABEGIN_METAKEY            NANO_META_LPARENTHESIS
#define NANO_PARABEGIN_METAKEY2           NANO_META_9
#define NANO_PARAEND_KEY            NANO_CONTROL_O
#define NANO_PARAEND_METAKEY        NANO_META_RPARENTHESIS
#define NANO_PARAEND_METAKEY2       NANO_META_0
#define NANO_FULLJUSTIFY_KEY        NANO_CONTROL_U
#define NANO_FULLJUSTIFY_METAKEY    NANO_META_J
#define NANO_VERBATIM_KEY           NANO_META_V

/* Toggles do not exist if NANO_TINY is defined. */
#ifndef NANO_TINY

/* No toggle at all. */
#define TOGGLE_NO_KEY               -2

/* Normal toggles. */
#define TOGGLE_NOHELP_KEY           NANO_META_X
#define TOGGLE_CONST_KEY            NANO_META_C
#define TOGGLE_MORESPACE_KEY        NANO_META_O
#define TOGGLE_SMOOTH_KEY           NANO_META_S
#define TOGGLE_WHITESPACE_KEY       NANO_META_P
#define TOGGLE_SYNTAX_KEY           NANO_META_Y
#define TOGGLE_SMARTHOME_KEY        NANO_META_H
#define TOGGLE_AUTOINDENT_KEY       NANO_META_I
#define TOGGLE_CUTTOEND_KEY         NANO_META_K
#define TOGGLE_WRAP_KEY             NANO_META_L
#define TOGGLE_TABSTOSPACES_KEY           NANO_META_Q
#define TOGGLE_BACKUP_KEY           NANO_META_B
#define TOGGLE_MULTIBUFFER_KEY            NANO_META_F
#define TOGGLE_MOUSE_KEY            NANO_META_M
#define TOGGLE_NOCONVERT_KEY        NANO_META_N
#define TOGGLE_SUSPEND_KEY          NANO_META_Z
#define TOGGLE_CASE_KEY             NANO_META_C
#define TOGGLE_BACKWARDS_KEY        NANO_META_B
#define TOGGLE_DOS_KEY              NANO_META_D
#define TOGGLE_MAC_KEY              NANO_META_M
#endif /* !NANO_TINY */

#define VIEW TRUE
#define NOVIEW FALSE

/* The maximum number of entries displayed in the main shortcut list. */
#define MAIN_VISIBLE 12

/* The minimum editor window columns and rows required for nano to work
 * correctly. */
#define MIN_EDITOR_COLS 4
#define MIN_EDITOR_ROWS 1

/* The default number of characters from the end of the line where
 * wrapping occurs. */
#define CHARS_FROM_EOL 8

/* The default width of a tab in spaces. */
#define WIDTH_OF_TAB 8

/* The maximum number of search/replace history strings saved, not
 * counting the blank lines at their ends. */
#define MAX_SEARCH_HISTORY 100

/* The maximum number of bytes buffered at one time. */
#define MAX_BUF_SIZE 128

#endif /* !NANO_H */

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