+typedef short Charset_ID;
+
+#define MIN_LEADING_BYTE -0x200
+#define CHARSET_ID_OFFSET 0x00
+
+/* ISO/IEC 10646 */
+#define LEADING_BYTE_UCS (CHARSET_ID_OFFSET - 1)
+
+/* represent normal 80-9F */
+#define LEADING_BYTE_CONTROL_1 (CHARSET_ID_OFFSET - 2)
+
+/* ISO/IEC 10646 BMP */
+#define LEADING_BYTE_UCS_BMP (CHARSET_ID_OFFSET - 3)
+
+/* ISO/IEC 10646 for CNS */
+#define LEADING_BYTE_UCS_CNS (CHARSET_ID_OFFSET - 5)
+
+/* ISO/IEC 10646 for JIS */
+#define LEADING_BYTE_UCS_JIS (CHARSET_ID_OFFSET - 6)
+
+/* ISO/IEC 10646 for KS */
+#define LEADING_BYTE_UCS_KS (CHARSET_ID_OFFSET - 7)
+
+/* ISO/IEC 10646 for Big5 */
+#define LEADING_BYTE_UCS_BIG5 (CHARSET_ID_OFFSET - 9)
+
+/* Japanese JIS X0208-1990 2/4 2/{(8),9,10,11} 4/2 (B) */
+#define LEADING_BYTE_JAPANESE_JISX0208_1990 (CHARSET_ID_OFFSET - 10)
+
+/* Chinese GB 12345-1990 */
+#define LEADING_BYTE_CHINESE_GB12345 (CHARSET_ID_OFFSET - 11)
+
+#define LEADING_BYTE_CHINESE_BIG5 (CHARSET_ID_OFFSET - 20)
+
+/* Big5 Level 1 2/4 2/{(8),9,10,11} 4/0 '0' */
+#define LEADING_BYTE_CHINESE_BIG5_1 (CHARSET_ID_OFFSET - 21)
+
+/* Big5 Level 2 2/4 2/{(8),9,10,11} 4/0 '1' */
+#define LEADING_BYTE_CHINESE_BIG5_2 (CHARSET_ID_OFFSET - 22)
+
+/* VISCII 1.1 */
+#define LEADING_BYTE_LATIN_VISCII (CHARSET_ID_OFFSET - 24)
+
+/* MULE VISCII-LOWER (CHARSET_ID_OFFSET_96 + '1') */
+#define LEADING_BYTE_LATIN_VISCII_LOWER (CHARSET_ID_OFFSET - 25)
+
+/* MULE VISCII-UPPER (CHARSET_ID_OFFSET_96 + '2') */
+#define LEADING_BYTE_LATIN_VISCII_UPPER (CHARSET_ID_OFFSET - 26)
+
+#define LEADING_BYTE_ETHIOPIC_UCS (CHARSET_ID_OFFSET - 27)
+
+#define LEADING_BYTE_DAIKANWA (CHARSET_ID_OFFSET - 28)
+#define LEADING_BYTE_DAIKANWA_EKANJI (CHARSET_ID_OFFSET - 29)
+
+#define LEADING_BYTE_GT (CHARSET_ID_OFFSET - 30)
+#define LEADING_BYTE_GT_PJ_1 (CHARSET_ID_OFFSET - 31)
+#define LEADING_BYTE_GT_PJ_2 (CHARSET_ID_OFFSET - 32)
+#define LEADING_BYTE_GT_PJ_3 (CHARSET_ID_OFFSET - 33)
+#define LEADING_BYTE_GT_PJ_4 (CHARSET_ID_OFFSET - 34)
+#define LEADING_BYTE_GT_PJ_5 (CHARSET_ID_OFFSET - 35)
+#define LEADING_BYTE_GT_PJ_6 (CHARSET_ID_OFFSET - 36)
+#define LEADING_BYTE_GT_PJ_7 (CHARSET_ID_OFFSET - 37)
+#define LEADING_BYTE_GT_PJ_8 (CHARSET_ID_OFFSET - 38)
+#define LEADING_BYTE_GT_PJ_9 (CHARSET_ID_OFFSET - 39)
+#define LEADING_BYTE_GT_PJ_10 (CHARSET_ID_OFFSET - 40)
+#define LEADING_BYTE_GT_PJ_11 (CHARSET_ID_OFFSET - 41)
+
+#define LEADING_BYTE_MOJIKYO (CHARSET_ID_OFFSET - 48)
+#define LEADING_BYTE_MOJIKYO_2022_1 (CHARSET_ID_OFFSET - 49)
+#define LEADING_BYTE_MOJIKYO_2022_2 (CHARSET_ID_OFFSET - 50)
+
+/* Konjaku-Mojikyo font (for pseudo-JIS X 0208 encoding) */
+#define LEADING_BYTE_MOJIKYO_PJ_1 (CHARSET_ID_OFFSET - 51)
+#define LEADING_BYTE_MOJIKYO_PJ_2 (CHARSET_ID_OFFSET - 52)
+#define LEADING_BYTE_MOJIKYO_PJ_3 (CHARSET_ID_OFFSET - 53)
+#define LEADING_BYTE_MOJIKYO_PJ_4 (CHARSET_ID_OFFSET - 54)
+#define LEADING_BYTE_MOJIKYO_PJ_5 (CHARSET_ID_OFFSET - 55)
+#define LEADING_BYTE_MOJIKYO_PJ_6 (CHARSET_ID_OFFSET - 56)
+#define LEADING_BYTE_MOJIKYO_PJ_7 (CHARSET_ID_OFFSET - 57)
+#define LEADING_BYTE_MOJIKYO_PJ_8 (CHARSET_ID_OFFSET - 58)
+#define LEADING_BYTE_MOJIKYO_PJ_9 (CHARSET_ID_OFFSET - 59)
+#define LEADING_BYTE_MOJIKYO_PJ_10 (CHARSET_ID_OFFSET - 60)
+#define LEADING_BYTE_MOJIKYO_PJ_11 (CHARSET_ID_OFFSET - 61)
+#define LEADING_BYTE_MOJIKYO_PJ_12 (CHARSET_ID_OFFSET - 62)
+#define LEADING_BYTE_MOJIKYO_PJ_13 (CHARSET_ID_OFFSET - 63)
+#define LEADING_BYTE_MOJIKYO_PJ_14 (CHARSET_ID_OFFSET - 64)
+#define LEADING_BYTE_MOJIKYO_PJ_15 (CHARSET_ID_OFFSET - 65)
+#define LEADING_BYTE_MOJIKYO_PJ_16 (CHARSET_ID_OFFSET - 66)
+#define LEADING_BYTE_MOJIKYO_PJ_17 (CHARSET_ID_OFFSET - 67)
+#define LEADING_BYTE_MOJIKYO_PJ_18 (CHARSET_ID_OFFSET - 68)
+#define LEADING_BYTE_MOJIKYO_PJ_19 (CHARSET_ID_OFFSET - 69)
+#define LEADING_BYTE_MOJIKYO_PJ_20 (CHARSET_ID_OFFSET - 70)
+#define LEADING_BYTE_MOJIKYO_PJ_21 (CHARSET_ID_OFFSET - 71)
+
+#define LEADING_BYTE_CHINA3_JEF (CHARSET_ID_OFFSET - 72)
+#define LEADING_BYTE_CBETA (CHARSET_ID_OFFSET - 73)
+#define LEADING_BYTE_CHINESE_BIG5_CDP (CHARSET_ID_OFFSET - 74)
+#define LEADING_BYTE_HANZIKU_1 (CHARSET_ID_OFFSET - 75)
+#define LEADING_BYTE_HANZIKU_2 (CHARSET_ID_OFFSET - 76)
+#define LEADING_BYTE_HANZIKU_3 (CHARSET_ID_OFFSET - 77)
+#define LEADING_BYTE_HANZIKU_4 (CHARSET_ID_OFFSET - 78)
+#define LEADING_BYTE_HANZIKU_5 (CHARSET_ID_OFFSET - 79)
+#define LEADING_BYTE_HANZIKU_6 (CHARSET_ID_OFFSET - 80)
+#define LEADING_BYTE_HANZIKU_7 (CHARSET_ID_OFFSET - 81)
+#define LEADING_BYTE_HANZIKU_8 (CHARSET_ID_OFFSET - 82)
+#define LEADING_BYTE_HANZIKU_9 (CHARSET_ID_OFFSET - 83)
+#define LEADING_BYTE_HANZIKU_10 (CHARSET_ID_OFFSET - 84)
+#define LEADING_BYTE_HANZIKU_11 (CHARSET_ID_OFFSET - 85)
+#define LEADING_BYTE_HANZIKU_12 (CHARSET_ID_OFFSET - 86)
+
+#define MIN_LEADING_BYTE_PRIVATE MIN_LEADING_BYTE
+#define MAX_LEADING_BYTE_PRIVATE (CHARSET_ID_OFFSET - 87)
+
+
+/* #define CHARSET_ID_OFFSET_94 (CHARSET_ID_OFFSET - '0') */
+
+/* #define MIN_CHARSET_ID_PRIVATE_94 (CHARSET_ID_OFFSET_94 + '0') */
+/* #define MAX_CHARSET_ID_PRIVATE_94 (CHARSET_ID_OFFSET_94 + '?') */