/* histlib.h -- internal definitions for the history library. *//* Copyright (C) 1989, 1992 Free Software Foundation, Inc.   This file contains the GNU History Library (the Library), a set of   routines for managing the text of previously typed lines.   The Library 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.   The Library 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.   The GNU General Public License is often shipped with GNU software, and   is generally kept in a file called COPYING or LICENSE.  If you do not   have a copy of the license, write to the Free Software Foundation,   59 Temple Place, Suite 330, Boston, MA 02111 USA. */#if !defined (_HISTLIB_H_)#define _HISTLIB_H_#if defined (HAVE_STRING_H)#  include <string.h>#else#  include <strings.h>#endif /* !HAVE_STRING_H */#if !defined (STREQ)#define STREQ(a, b)	(((a)[0] == (b)[0]) && (strcmp ((a), (b)) == 0))#define STREQN(a, b, n) (((n) == 0) ? (1) \				    : ((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0))#endif#ifndef savestring#define savestring(x) strcpy (xmalloc (1 + strlen (x)), (x))#endif#ifndef whitespace#define whitespace(c) (((c) == ' ') || ((c) == '\t'))#endif#ifndef _rl_digit_p#define _rl_digit_p(c)  ((c) >= '0' && (c) <= '9')#endif#ifndef _rl_digit_value#define _rl_digit_value(c) ((c) - '0')#endif#ifndef member#  ifndef strchrextern char *strchr ();#  endif#define member(c, s) ((c) ? ((char *)strchr ((s), (c)) != (char *)NULL) : 0)#endif#ifndef FREE#  define FREE(x)	if (x) free (x)#endif/* Possible history errors passed to hist_error. */#define EVENT_NOT_FOUND 0#define BAD_WORD_SPEC	1#define SUBST_FAILED	2#define BAD_MODIFIER	3#define NO_PREV_SUBST	4/* Possible definitions for history starting point specification. */#define ANCHORED_SEARCH 1#define NON_ANCHORED_SEARCH 0/* Possible definitions for what style of writing the history file we want. */#define HISTORY_APPEND 0#define HISTORY_OVERWRITE 1/* Some variable definitions shared across history source files. */extern int history_offset;#endif /* !_HISTLIB_H_ */