23 lines
520 B
C
23 lines
520 B
C
#include <ctype.h>
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#if (defined(__GNUC__) && !defined(__CHAR_UNSIGNED__) && !defined(COMPACT_CTYPE)) || defined (__CYGWIN__)
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#define ALLOW_NEGATIVE_CTYPE_INDEX
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#endif
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#ifdef ALLOW_NEGATIVE_CTYPE_INDEX
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#ifndef __CYGWIN__
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extern const char _ctype_b[];
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#else
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extern char _ctype_b[];
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#endif
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# define DEFAULT_CTYPE_PTR ((char *) _ctype_b + 127)
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#else /* !ALLOW_NEGATIVE_CTYPE_INDEX */
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/* _ctype_ is declared in <ctype.h>. */
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# define DEFAULT_CTYPE_PTR ((char *) _ctype_)
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#endif /* !ALLOW_NEGATIVE_CTYPE_INDEX */
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