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/* chardefs.h -- Character definitions for readline. */
#ifndef _CHARDEFS_
#define _CHARDEFS_
#include <ctype.h>
#ifndef savestring
#define savestring(X) _rl_savestring(X)
extern char * _rl_savestring ();
#endif
#ifndef whitespace
#define whitespace(c) (((c) == ' ') || ((c) == '\t'))
#endif
#ifdef CTRL
#undef CTRL
#endif
/* Some character stuff. */
#define control_character_threshold 0x020 /* Smaller than this is control. */
#define meta_character_threshold 0x07f /* Larger than this is Meta. */
#define control_character_bit 0x40 /* 0x000000, must be off. */
#define meta_character_bit 0x080 /* x0000000, must be on. */
#define largest_char 255 /* Largest character value. */
#define META_CHAR(c) ((c) > meta_character_threshold && (c) <= largest_char)
#define CTRL(c) ((c) & (~control_character_bit))
#define META(c) ((c) | meta_character_bit)
#define UNMETA(c) ((c) & (~meta_character_bit))
#define UNCTRL(c) to_upper(((c)|control_character_bit))
#define lowercase_p(c) (((c) > ('a' - 1) && (c) < ('z' + 1)))
#define uppercase_p(c) (((c) > ('A' - 1) && (c) < ('Z' + 1)))
#define pure_alphabetic(c) (lowercase_p(c) || uppercase_p(c))
#ifndef to_upper
#define to_upper(c) (lowercase_p(c) ? ((c) - 32) : (c))
#define to_lower(c) (uppercase_p(c) ? ((c) + 32) : (c))
#endif
#define CTRL_P(c) ((c) < control_character_threshold)
#define META_P(c) ((c) > meta_character_threshold)
#ifndef NEWLINE
#define NEWLINE '\n'
#endif
#ifndef RETURN
#define RETURN CTRL('M')
#endif
#ifndef RUBOUT
#define RUBOUT 0x07f
#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 0x020
#ifdef ESC
#undef ESC
#endif
#define ESC CTRL('[')
#endif /* _CHARDEFS_ */
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.