#include <ctype.h>

#if (defined(__GNUC__) && !defined(__CHAR_UNSIGNED__) && !defined(COMPACT_CTYPE)) || defined (__CYGWIN__)
#define ALLOW_NEGATIVE_CTYPE_INDEX
#endif

#ifdef ALLOW_NEGATIVE_CTYPE_INDEX

  extern char _ctype_b[];
# define DEFAULT_CTYPE_PTR	((char *) _ctype_b + 127)

#else	/* !ALLOW_NEGATIVE_CTYPE_INDEX */

  extern char _ctype_[];
# define DEFAULT_CTYPE_PTR	((char *) _ctype_)

#endif	/* !ALLOW_NEGATIVE_CTYPE_INDEX */