#ifndef _CHARDEFS_H_
#define _CHARDEFS_H_
#include <ctype.h>
#if defined (HAVE_CONFIG_H)
# if defined (HAVE_STRING_H)
# include <string.h>
# else
# include <strings.h>
# endif
#else
# include <string.h>
#endif
#ifndef whitespace
#define whitespace(c) (((c) == ' ') || ((c) == '\t'))
#endif
#ifdef CTRL
#undef CTRL
#endif
#define control_character_threshold 0x020
#define control_character_mask 0x1f
#define meta_character_threshold 0x07f
#define control_character_bit 0x40
#define meta_character_bit 0x080
#define largest_char 255
#define CTRL_CHAR(c) ((c) < control_character_threshold && (c) >= 0)
#define META_CHAR(c) ((c) > meta_character_threshold && (c) <= largest_char)
#define CTRL(c) ((c) & control_character_mask)
#define META(c) ((c) | meta_character_bit)
#define UNMETA(c) ((c) & (~meta_character_bit))
#define UNCTRL(c) _rl_to_upper(((c)|control_character_bit))
#define _rl_lowercase_p(c) (islower(c))
#define _rl_uppercase_p(c) (isupper(c))
#define _rl_digit_p(x) (isdigit (x))
#define _rl_pure_alphabetic(c) (_rl_lowercase_p(c) || _rl_uppercase_p(c))
#define ALPHABETIC(c) (_rl_lowercase_p(c) || _rl_uppercase_p(c) || _rl_digit_p(c))
#ifndef _rl_to_upper
# define _rl_to_upper(c) (islower(c) ? toupper(c) : (c))
# define _rl_to_lower(c) (isupper(c) ? tolower(c) : (c))
#endif
#ifndef _rl_digit_value
#define _rl_digit_value(x) ((x) - '0')
#endif
#ifndef NEWLINE
#define NEWLINE '\n'
#endif
#ifndef RETURN
#define RETURN CTRL('M')
#endif
#ifndef RUBOUT
#define RUBOUT 0x7f
#endif
#ifndef TAB
#define TAB '\t'
#endif
#ifdef ABORT_CHAR
#undef ABORT_CHAR
#endif
#define ABORT_CHAR CTRL('G')
#ifdef PAGE
#undef PAGE
#endif
#define PAGE CTRL('L')
#ifdef SPACE
#undef SPACE
#endif
#define SPACE ' '
#ifdef ESC
#undef ESC
#endif
#define ESC CTRL('[')
#ifndef ISOCTAL
#define ISOCTAL(c) ((c) >= '0' && (c) <= '7')
#endif
#define OCTVALUE(c) ((c) - '0')
#ifndef isxdigit
# define isxdigit(c) (isdigit((c)) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
#endif
#define HEXVALUE(c) \
(((c) >= 'a' && (c) <= 'f') \
? (c)-'a'+10 \
: (c) >= 'A' && (c) <= 'F' ? (c)-'A'+10 : (c)-'0')
#endif