a0168ca896
option, to control whether nano adds magiclines to the ends of files git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3091 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
546 строки
17 KiB
C
546 строки
17 KiB
C
/* $Id$ */
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/**************************************************************************
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* nano.h *
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* *
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* Copyright (C) 1999-2005 Chris Allegretta *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2, or (at your option) *
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* any later version. *
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* *
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* This program is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
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* 02110-1301, USA. *
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* *
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**************************************************************************/
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#ifndef NANO_H
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#define NANO_H 1
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#ifdef __TANDEM
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/* Tandem NonStop Kernel. */
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#include <floss.h>
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#define NANO_ROOT_UID 65535
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#else
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#define NANO_ROOT_UID 0
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#endif
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#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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/* Macros for flags. */
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#define SET(bit) flags |= bit
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#define UNSET(bit) flags &= ~bit
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#define ISSET(bit) ((flags & bit) != 0)
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#define TOGGLE(bit) flags ^= bit
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/* Macros for character allocation, etc. */
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#define charalloc(howmuch) (char *)nmalloc((howmuch) * sizeof(char))
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#define charealloc(ptr, howmuch) (char *)nrealloc(ptr, (howmuch) * sizeof(char))
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#define charmove(dest, src, n) memmove(dest, src, (n) * sizeof(char))
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#define charset(dest, src, n) memset(dest, src, (n) * sizeof(char))
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/* Other macros. */
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#ifdef BROKEN_REGEXEC
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#undef regexec
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#define regexec(preg, string, nmatch, pmatch, eflags) safe_regexec(preg, string, nmatch, pmatch, eflags)
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#endif
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/* Set a default value for PATH_MAX if there isn't one. */
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#ifndef PATH_MAX
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#define PATH_MAX 4096
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#endif
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#ifdef USE_SLANG
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/* Slang support enabled. */
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#include <slcurses.h>
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/* Slang curses emulation brain damage, part 2: Slang doesn't define the
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* curses equivalents of the Insert or Delete keys. */
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#define KEY_DC SL_KEY_DELETE
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#define KEY_IC SL_KEY_IC
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#elif defined(HAVE_NCURSES_H)
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#include <ncurses.h>
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#else /* Uh oh. */
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#include <curses.h>
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#endif /* CURSES_H */
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#ifdef ENABLE_NLS
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#ifdef HAVE_LIBINTL_H
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#include <libintl.h>
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#endif
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#define _(string) gettext(string)
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#define P_(singular, plural, number) ngettext(singular, plural, number)
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#else
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#define _(string) (string)
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#define P_(singular, plural, number) (number == 1 ? singular : plural)
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#endif
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#define gettext_noop(string) (string)
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#define N_(string) gettext_noop(string)
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/* Mark a string that will be sent to gettext() later. */
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#include <stddef.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <dirent.h>
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#ifdef HAVE_REGEX_H
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#include <regex.h>
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#endif
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#include <assert.h>
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/* If no vsnprintf(), use the version from glib 2.x. */
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#ifndef HAVE_VSNPRINTF
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#include <glib.h>
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#define vsnprintf g_vsnprintf
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#endif
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/* If no isblank(), iswblank(), strcasecmp(), strncasecmp(),
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* strcasestr(), strnlen(), getdelim(), or getline(), use the versions
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* we have. */
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#ifndef HAVE_ISBLANK
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#define isblank nisblank
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#endif
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#ifndef HAVE_ISWBLANK
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#define iswblank niswblank
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#endif
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#ifndef HAVE_STRCASECMP
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#define strcasecmp nstrcasecmp
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#endif
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#ifndef HAVE_STRNCASECMP
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#define strncasecmp nstrncasecmp
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#endif
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#ifndef HAVE_STRCASESTR
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#define strcasestr nstrcasestr
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#endif
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#ifndef HAVE_STRNLEN
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#define strnlen nstrnlen
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#endif
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#ifndef HAVE_GETDELIM
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#define getdelim ngetdelim
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#endif
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#ifndef HAVE_GETLINE
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#define getline ngetline
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#endif
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#define VERMSG "GNU nano " VERSION
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/* If we don't have regex support, turn the color support off, as it
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* depends on the use of regexes. */
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#ifndef HAVE_REGEX_H
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#undef ENABLE_COLOR
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#endif
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/* If we aren't using ncurses, turn the mouse support off, as it's
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* ncurses-specific. */
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#ifndef NCURSES_MOUSE_VERSION
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#define DISABLE_MOUSE 1
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#endif
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#if defined(DISABLE_WRAPPING) && defined(DISABLE_JUSTIFY)
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#define DISABLE_WRAPJUSTIFY 1
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#endif
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/* Enumeration types. */
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typedef enum {
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NIX_FILE, DOS_FILE, MAC_FILE
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} file_format;
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typedef enum {
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OVERWRITE, APPEND, PREPEND
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} append_type;
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typedef enum {
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UP, DOWN
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} scroll_dir;
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typedef enum {
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CENTER, NONE
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} update_type;
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/* Structure types. */
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typedef struct filestruct {
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char *data;
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struct filestruct *next; /* Next node. */
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struct filestruct *prev; /* Previous node. */
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ssize_t lineno; /* The line number. */
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} filestruct;
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typedef struct partition {
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filestruct *fileage;
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filestruct *top_prev;
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char *top_data;
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filestruct *filebot;
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filestruct *bot_next;
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char *bot_data;
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} partition;
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#ifdef ENABLE_COLOR
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typedef struct colortype {
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short fg; /* Foreground color. */
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short bg; /* Background color. */
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bool bright; /* Is this color A_BOLD? */
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bool icase; /* Is this regex string case
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* insensitive? */
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int pairnum; /* Color pair number used for this
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* foreground/background. */
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char *start_regex; /* Start (or all) of the regex
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* string. */
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regex_t *start; /* Compiled start (or all) of the regex
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* string. */
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char *end_regex; /* End (if any) of the regex string. */
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regex_t *end; /* Compiled end (if any) of the regex
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* string. */
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struct colortype *next;
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} colortype;
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typedef struct exttype {
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char *ext_regex; /* Extensions that match this syntax. */
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regex_t *ext; /* Compiled extensions that match this
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* syntax. */
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struct exttype *next;
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} exttype;
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typedef struct syntaxtype {
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char *desc; /* Name of this syntax type. */
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exttype *extensions; /* List of extensions that this syntax
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* applies to. */
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colortype *color; /* Color struct for this syntax. */
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struct syntaxtype *next;
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} syntaxtype;
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#endif /* ENABLE_COLOR */
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typedef struct openfilestruct {
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char *filename; /* Current file's name. */
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filestruct *fileage; /* Current file's first line. */
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filestruct *filebot; /* Current file's last line. */
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filestruct *edittop; /* Current top of edit window. */
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filestruct *current; /* Current file's line. */
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size_t totsize; /* Current file's total number of
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* characters. */
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size_t current_x; /* Current file's x-coordinate
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* position. */
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size_t placewewant; /* Current file's place we want. */
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ssize_t current_y; /* Current file's y-coordinate
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* position. */
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bool modified; /* Current file's modification
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* status. */
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#ifndef NANO_SMALL
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bool mark_set; /* Current file's marking status. */
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filestruct *mark_begin; /* Current file's beginning marked
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* line. */
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size_t mark_begin_x; /* Current file's beginning marked
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* line's x-coordinate position. */
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file_format fmt; /* Current file's format. */
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struct stat *current_stat; /* Current file's stat. */
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#endif
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#ifdef ENABLE_COLOR
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colortype *colorstrings; /* Current file's associated colors. */
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#endif
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struct openfilestruct *next;
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/* Next node. */
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struct openfilestruct *prev;
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/* Previous node. */
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} openfilestruct;
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typedef struct shortcut {
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/* Key values that aren't used should be set to NANO_NO_KEY. */
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int ctrlval; /* Special sentinel key or control key we want
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* bound. */
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int metaval; /* Meta key we want bound. */
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int funcval; /* Function key we want bound. */
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int miscval; /* Other Meta key we want bound. */
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bool viewok; /* Is this function legal in view mode? */
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void (*func)(void); /* Function to call when we catch this key. */
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const char *desc; /* Description, e.g. "Page Up". */
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#ifndef DISABLE_HELP
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const char *help; /* Help file entry text. */
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#endif
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struct shortcut *next;
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} shortcut;
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#ifndef NANO_SMALL
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typedef struct toggle {
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int val; /* Sequence to toggle the key. Should only need
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* one. */
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const char *desc; /* Description for when toggle is, uh, toggled,
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* e.g. "Cut to end"; we'll append Enabled or
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* Disabled. */
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long flag; /* What flag actually gets toggled. */
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struct toggle *next;
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} toggle;
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#endif
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#ifdef ENABLE_NANORC
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typedef struct rcoption {
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const char *name;
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long flag;
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} rcoption;
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#endif
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/* Bitwise flags so that we can save space (or, more correctly, not
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* waste it). */
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#define CASE_SENSITIVE (1<<0)
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#define CONST_UPDATE (1<<1)
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#define NO_HELP (1<<2)
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#define NOFOLLOW_SYMLINKS (1<<3)
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#define SUSPEND (1<<4)
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#define NO_WRAP (1<<5)
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#define AUTOINDENT (1<<6)
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#define VIEW_MODE (1<<7)
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#define USE_MOUSE (1<<8)
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#define USE_REGEXP (1<<9)
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#define TEMP_FILE (1<<10)
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#define CUT_TO_END (1<<11)
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#define BACKWARDS_SEARCH (1<<12)
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#define MULTIBUFFER (1<<13)
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#define SMOOTH_SCROLL (1<<14)
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#define REBIND_DELETE (1<<15)
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#define REBIND_KEYPAD (1<<16)
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#define NO_CONVERT (1<<17)
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#define BACKUP_FILE (1<<18)
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#define NO_RCFILE (1<<19)
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#define NO_COLOR_SYNTAX (1<<20)
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#define PRESERVE (1<<21)
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#define HISTORYLOG (1<<22)
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#define RESTRICTED (1<<23)
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#define SMART_HOME (1<<24)
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#define WHITESPACE_DISPLAY (1<<25)
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#define MORE_SPACE (1<<26)
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#define TABS_TO_SPACES (1<<27)
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#define QUICK_BLANK (1<<28)
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#define WORD_BOUNDS (1<<29)
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#define NO_NEWLINES (1<<30)
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#define USE_UTF8 (1<<31)
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/* Control key sequences. Changing these would be very, very bad. */
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#define NANO_CONTROL_SPACE 0
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#define NANO_CONTROL_A 1
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#define NANO_CONTROL_B 2
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#define NANO_CONTROL_C 3
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#define NANO_CONTROL_D 4
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#define NANO_CONTROL_E 5
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#define NANO_CONTROL_F 6
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#define NANO_CONTROL_G 7
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#define NANO_CONTROL_H 8
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#define NANO_CONTROL_I 9
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#define NANO_CONTROL_J 10
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#define NANO_CONTROL_K 11
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#define NANO_CONTROL_L 12
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#define NANO_CONTROL_M 13
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#define NANO_CONTROL_N 14
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#define NANO_CONTROL_O 15
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#define NANO_CONTROL_P 16
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#define NANO_CONTROL_Q 17
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#define NANO_CONTROL_R 18
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#define NANO_CONTROL_S 19
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#define NANO_CONTROL_T 20
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#define NANO_CONTROL_U 21
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#define NANO_CONTROL_V 22
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#define NANO_CONTROL_W 23
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#define NANO_CONTROL_X 24
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#define NANO_CONTROL_Y 25
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#define NANO_CONTROL_Z 26
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#define NANO_CONTROL_3 27
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#define NANO_CONTROL_4 28
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#define NANO_CONTROL_5 29
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#define NANO_CONTROL_6 30
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#define NANO_CONTROL_7 31
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#define NANO_CONTROL_8 127
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#define NANO_ALT_SPACE ' '
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#define NANO_ALT_LPAREN '('
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#define NANO_ALT_RPAREN ')'
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#define NANO_ALT_PLUS '+'
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#define NANO_ALT_COMMA ','
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#define NANO_ALT_MINUS '-'
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#define NANO_ALT_PERIOD '.'
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#define NANO_ALT_9 '9'
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#define NANO_ALT_0 '0'
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#define NANO_ALT_LCARAT '<'
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#define NANO_ALT_EQUALS '='
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#define NANO_ALT_RCARAT '>'
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#define NANO_ALT_RBRACKET ']'
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#define NANO_ALT_USCORE '_'
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#define NANO_ALT_A 'a'
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#define NANO_ALT_B 'b'
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#define NANO_ALT_C 'c'
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#define NANO_ALT_D 'd'
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#define NANO_ALT_E 'e'
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#define NANO_ALT_F 'f'
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#define NANO_ALT_G 'g'
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#define NANO_ALT_H 'h'
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#define NANO_ALT_I 'i'
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#define NANO_ALT_J 'j'
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#define NANO_ALT_K 'k'
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#define NANO_ALT_L 'l'
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#define NANO_ALT_M 'm'
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#define NANO_ALT_N 'n'
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#define NANO_ALT_O 'o'
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#define NANO_ALT_P 'p'
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#define NANO_ALT_Q 'q'
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#define NANO_ALT_R 'r'
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#define NANO_ALT_S 's'
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#define NANO_ALT_T 't'
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#define NANO_ALT_U 'u'
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#define NANO_ALT_V 'v'
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#define NANO_ALT_W 'w'
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#define NANO_ALT_X 'x'
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#define NANO_ALT_Y 'y'
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#define NANO_ALT_Z 'z'
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/* Some semi-changeable keybindings; don't play with these unless you're
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* sure you know what you're doing. Assume ERR is defined as -1. */
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/* No key at all. */
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#define NANO_NO_KEY -2
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/* Normal keys. */
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#define NANO_XON_KEY NANO_CONTROL_Q
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#define NANO_XOFF_KEY NANO_CONTROL_S
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#define NANO_CANCEL_KEY NANO_CONTROL_C
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#define NANO_EXIT_KEY NANO_CONTROL_X
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#define NANO_EXIT_FKEY KEY_F(2)
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#define NANO_INSERTFILE_KEY NANO_CONTROL_R
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#define NANO_INSERTFILE_FKEY KEY_F(5)
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#define NANO_TOOTHERINSERT_KEY NANO_CONTROL_X
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#define NANO_WRITEOUT_KEY NANO_CONTROL_O
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#define NANO_WRITEOUT_FKEY KEY_F(3)
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#define NANO_GOTOLINE_KEY NANO_CONTROL_7
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#define NANO_GOTOLINE_FKEY KEY_F(13)
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#define NANO_GOTOLINE_ALTKEY NANO_ALT_G
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#define NANO_TOGOTOLINE_KEY NANO_CONTROL_T
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#define NANO_HELP_KEY NANO_CONTROL_G
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#define NANO_HELP_FKEY KEY_F(1)
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#define NANO_WHEREIS_KEY NANO_CONTROL_W
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#define NANO_WHEREIS_FKEY KEY_F(6)
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#define NANO_WHEREIS_NEXT_KEY NANO_ALT_W
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#define NANO_WHEREIS_NEXT_FKEY KEY_F(16)
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#define NANO_TOOTHERWHEREIS_KEY NANO_CONTROL_T
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#define NANO_REGEXP_KEY NANO_ALT_R
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#define NANO_REPLACE_KEY NANO_CONTROL_4
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#define NANO_REPLACE_FKEY KEY_F(14)
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#define NANO_ALT_REPLACE_KEY NANO_ALT_R
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#define NANO_TOOTHERSEARCH_KEY NANO_CONTROL_R
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#define NANO_PREVPAGE_KEY NANO_CONTROL_Y
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#define NANO_PREVPAGE_FKEY KEY_F(7)
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#define NANO_NEXTPAGE_KEY NANO_CONTROL_V
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#define NANO_NEXTPAGE_FKEY KEY_F(8)
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#define NANO_CUT_KEY NANO_CONTROL_K
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#define NANO_CUT_FKEY KEY_F(9)
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#define NANO_UNCUT_KEY NANO_CONTROL_U
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#define NANO_UNCUT_FKEY KEY_F(10)
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#define NANO_CURSORPOS_KEY NANO_CONTROL_C
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#define NANO_CURSORPOS_FKEY KEY_F(11)
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#define NANO_SPELL_KEY NANO_CONTROL_T
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#define NANO_SPELL_FKEY KEY_F(12)
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#define NANO_FIRSTLINE_KEY NANO_PREVPAGE_KEY
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#define NANO_FIRSTLINE_FKEY NANO_PREVPAGE_FKEY
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#define NANO_LASTLINE_KEY NANO_NEXTPAGE_KEY
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#define NANO_LASTLINE_FKEY NANO_NEXTPAGE_FKEY
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#define NANO_REFRESH_KEY NANO_CONTROL_L
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#define NANO_JUSTIFY_KEY NANO_CONTROL_J
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#define NANO_JUSTIFY_FKEY KEY_F(4)
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#define NANO_UNJUSTIFY_KEY NANO_UNCUT_KEY /* Same key as uncut. */
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#define NANO_UNJUSTIFY_FKEY NANO_UNCUT_FKEY /* Same key as uncut. */
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#define NANO_PREVLINE_KEY NANO_CONTROL_P
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#define NANO_NEXTLINE_KEY NANO_CONTROL_N
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#define NANO_FORWARD_KEY NANO_CONTROL_F
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#define NANO_BACK_KEY NANO_CONTROL_B
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#define NANO_MARK_KEY NANO_CONTROL_6
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#define NANO_MARK_ALTKEY NANO_ALT_A
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#define NANO_MARK_FKEY KEY_F(15)
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#define NANO_HOME_KEY NANO_CONTROL_A
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#define NANO_END_KEY NANO_CONTROL_E
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#define NANO_DELETE_KEY NANO_CONTROL_D
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#define NANO_BACKSPACE_KEY NANO_CONTROL_H
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#define NANO_TAB_KEY NANO_CONTROL_I
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#define NANO_SUSPEND_KEY NANO_CONTROL_Z
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#define NANO_ENTER_KEY NANO_CONTROL_M
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#define NANO_TOFILES_KEY NANO_CONTROL_T
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#define NANO_APPEND_KEY NANO_ALT_A
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#define NANO_PREPEND_KEY NANO_ALT_P
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#define NANO_PREVFILE_KEY NANO_ALT_LCARAT
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#define NANO_NEXTFILE_KEY NANO_ALT_RCARAT
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#define NANO_PREVFILE_ALTKEY NANO_ALT_COMMA
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#define NANO_NEXTFILE_ALTKEY NANO_ALT_PERIOD
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#define NANO_BRACKET_KEY NANO_ALT_RBRACKET
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#define NANO_NEXTWORD_KEY NANO_CONTROL_SPACE
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#define NANO_PREVWORD_KEY NANO_ALT_SPACE
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#define NANO_WORDCOUNT_KEY NANO_ALT_D
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#define NANO_SCROLLPREV_KEY NANO_ALT_MINUS
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#define NANO_SCROLLNEXT_KEY NANO_ALT_PLUS
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#define NANO_SCROLLPREV_ALTKEY NANO_ALT_USCORE
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#define NANO_SCROLLNEXT_ALTKEY NANO_ALT_EQUALS
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#define NANO_CUTTILLEND_KEY NANO_CONTROL_X
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#define NANO_CUTTILLEND_ALTKEY NANO_ALT_T
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#define NANO_PARABEGIN_KEY NANO_CONTROL_W
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#define NANO_PARABEGIN_ALTKEY1 NANO_ALT_LPAREN
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#define NANO_PARABEGIN_ALTKEY2 NANO_ALT_9
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#define NANO_PARAEND_KEY NANO_CONTROL_O
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#define NANO_PARAEND_ALTKEY1 NANO_ALT_RPAREN
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#define NANO_PARAEND_ALTKEY2 NANO_ALT_0
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#define NANO_FULLJUSTIFY_KEY NANO_CONTROL_U
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#define NANO_FULLJUSTIFY_ALTKEY NANO_ALT_J
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#define NANO_VERBATIM_KEY NANO_ALT_V
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#ifndef NANO_SMALL
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/* Toggles do not exist with NANO_SMALL. */
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#define TOGGLE_CONST_KEY NANO_ALT_C
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#define TOGGLE_AUTOINDENT_KEY NANO_ALT_I
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#define TOGGLE_SUSPEND_KEY NANO_ALT_Z
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#define TOGGLE_NOHELP_KEY NANO_ALT_X
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#define TOGGLE_MOUSE_KEY NANO_ALT_M
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#define TOGGLE_CUTTOEND_KEY NANO_ALT_K
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#define TOGGLE_WRAP_KEY NANO_ALT_L
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#define TOGGLE_BACKWARDS_KEY NANO_ALT_B
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#define TOGGLE_CASE_KEY NANO_ALT_C
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#define TOGGLE_MULTIBUFFER_KEY NANO_ALT_F
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#define TOGGLE_DOS_KEY NANO_ALT_D
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#define TOGGLE_MAC_KEY NANO_ALT_M
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#define TOGGLE_SMOOTH_KEY NANO_ALT_S
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#define TOGGLE_NOCONVERT_KEY NANO_ALT_N
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#define TOGGLE_BACKUP_KEY NANO_ALT_B
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#define TOGGLE_SYNTAX_KEY NANO_ALT_Y
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#define TOGGLE_SMARTHOME_KEY NANO_ALT_H
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#define TOGGLE_WHITESPACE_KEY NANO_ALT_P
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#define TOGGLE_MORESPACE_KEY NANO_ALT_O
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#define TOGGLE_TABSTOSPACES_KEY NANO_ALT_Q
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#endif /* !NANO_SMALL */
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#define MAIN_VISIBLE 12
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#define VIEW TRUE
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#define NOVIEW FALSE
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/* Minimum editor window columns and rows required for nano to work
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* correctly. */
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#define MIN_EDITOR_COLS 4
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#define MIN_EDITOR_ROWS 1
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/* Default number of characters from end-of-line where text wrapping
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* occurs. */
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#define CHARS_FROM_EOL 8
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/* Default width of a tab. */
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#define WIDTH_OF_TAB 8
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/* Maximum number of search/replace history strings saved, not counting
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* the blank lines at their ends. */
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#define MAX_SEARCH_HISTORY 100
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/* Maximum number of bytes we read from a file at one time. */
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#define MAX_BUF_SIZE 128
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#endif /* !NANO_H */
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