#define isSPACE(c) \
((c) == ' ' || (c) == '\t' || (c) == '\n' || (c) =='\r' || (c) == '\f')
#define isDIGIT(c) ((c) >= '0' && (c) <= '9')
-#define isUPPER(c) ((c) >= 'A' && (c) <= 'Z')
-#define isLOWER(c) ((c) >= 'a' && (c) <= 'z')
-#define isPRINT(c) (((c) > 32 && (c) < 127) || isSPACE(c))
-#define toUPPER(c) (isLOWER(c) ? (c) - ('a' - 'A') : (c))
-#define toLOWER(c) (isUPPER(c) ? (c) + ('a' - 'A') : (c))
+#ifdef EBCDIC
+ /* In EBCDIC we do not do locales: therefore() isupper() is fine. */
+# define isUPPER(c) isupper(c)
+# define isLOWER(c) islower(c)
+# define isPRINT(c) isprint(c)
+# define toUPPER(c) toupper(c)
+# define toLOWER(c) tolower(c)
+#else
+# define isUPPER(c) ((c) >= 'A' && (c) <= 'Z')
+# define isLOWER(c) ((c) >= 'a' && (c) <= 'z')
+# define isPRINT(c) (((c) > 32 && (c) < 127) || isSPACE(c))
+# define toUPPER(c) (isLOWER(c) ? (c) - ('a' - 'A') : (c))
+# define toLOWER(c) (isUPPER(c) ? (c) + ('a' - 'A') : (c))
+#endif
#ifdef USE_NEXT_CTYPE
# endif
#endif /* USE_NEXT_CTYPE */
-/* This conversion works both ways, strangely enough. */
-#define toCTRL(c) (toUPPER(c) ^ 64)
+#define isALNUM_uni(c) is_uni_alnum(c)
+#define isIDFIRST_uni(c) is_uni_idfirst(c)
+#define isALPHA_uni(c) is_uni_alpha(c)
+#define isSPACE_uni(c) is_uni_space(c)
+#define isDIGIT_uni(c) is_uni_digit(c)
+#define isUPPER_uni(c) is_uni_upper(c)
+#define isLOWER_uni(c) is_uni_lower(c)
+#define isPRINT_uni(c) is_uni_print(c)
+#define toUPPER_uni(c) to_uni_upper(c)
+#define toTITLE_uni(c) to_uni_title(c)
+#define toLOWER_uni(c) to_uni_lower(c)
+
+#define isALNUM_LC_uni(c) (c < 256 ? isALNUM_LC(c) : is_uni_alnum_lc(c))
+#define isIDFIRST_LC_uni(c) (c < 256 ? isIDFIRST_LC(c) : is_uni_idfirst_lc(c))
+#define isALPHA_LC_uni(c) (c < 256 ? isALPHA_LC(c) : is_uni_alpha_lc(c))
+#define isSPACE_LC_uni(c) (c < 256 ? isSPACE_LC(c) : is_uni_space_lc(c))
+#define isDIGIT_LC_uni(c) (c < 256 ? isDIGIT_LC(c) : is_uni_digit_lc(c))
+#define isUPPER_LC_uni(c) (c < 256 ? isUPPER_LC(c) : is_uni_upper_lc(c))
+#define isLOWER_LC_uni(c) (c < 256 ? isLOWER_LC(c) : is_uni_lower_lc(c))
+#define isPRINT_LC_uni(c) (c < 256 ? isPRINT_LC(c) : is_uni_print_lc(c))
+#define toUPPER_LC_uni(c) (c < 256 ? toUPPER_LC(c) : to_uni_upper_lc(c))
+#define toTITLE_LC_uni(c) (c < 256 ? toUPPER_LC(c) : to_uni_title_lc(c))
+#define toLOWER_LC_uni(c) (c < 256 ? toLOWER_LC(c) : to_uni_lower_lc(c))
+
+#define isALNUM_utf8(p) is_utf8_alnum(p)
+#define isIDFIRST_utf8(p) is_utf8_idfirst(p)
+#define isALPHA_utf8(p) is_utf8_alpha(p)
+#define isSPACE_utf8(p) is_utf8_space(p)
+#define isDIGIT_utf8(p) is_utf8_digit(p)
+#define isUPPER_utf8(p) is_utf8_upper(p)
+#define isLOWER_utf8(p) is_utf8_lower(p)
+#define isPRINT_utf8(p) is_utf8_print(p)
+#define toUPPER_utf8(p) to_utf8_upper(p)
+#define toTITLE_utf8(p) to_utf8_title(p)
+#define toLOWER_utf8(p) to_utf8_lower(p)
+
+#define isALNUM_LC_utf8(p) isALNUM_LC_uni(utf8_to_uv(p, 0))
+#define isIDFIRST_LC_utf8(p) isIDFIRST_LC_uni(utf8_to_uv(p, 0))
+#define isALPHA_LC_utf8(p) isALPHA_LC_uni(utf8_to_uv(p, 0))
+#define isSPACE_LC_utf8(p) isSPACE_LC_uni(utf8_to_uv(p, 0))
+#define isDIGIT_LC_utf8(p) isDIGIT_LC_uni(utf8_to_uv(p, 0))
+#define isUPPER_LC_utf8(p) isUPPER_LC_uni(utf8_to_uv(p, 0))
+#define isLOWER_LC_utf8(p) isLOWER_LC_uni(utf8_to_uv(p, 0))
+#define isPRINT_LC_utf8(p) isPRINT_LC_uni(utf8_to_uv(p, 0))
+#define toUPPER_LC_utf8(p) toUPPER_LC_uni(utf8_to_uv(p, 0))
+#define toTITLE_LC_utf8(p) toTITLE_LC_uni(utf8_to_uv(p, 0))
+#define toLOWER_LC_utf8(p) toLOWER_LC_uni(utf8_to_uv(p, 0))
+
+#ifdef EBCDIC
+EXT int ebcdic_control _((int));
+# define toCTRL(c) ebcdic_control(c)
+#else
+ /* This conversion works both ways, strangely enough. */
+# define toCTRL(c) (toUPPER(c) ^ 64)
+#endif
/* Line numbers are unsigned, 16 bits. */
typedef U16 line_t;