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/* $Id: pg_wchar.h,v 1.3 1998/06/16 07:29:43 momjian Exp $ */
#ifndef PG_WCHAR_H
#define PG_WCHAR_H
#include <sys/types.h>
#define EUC_JP 0 /* EUC for Japanese */
#define EUC_CN 1 /* EUC for Chinese */
#define EUC_KR 2 /* EUC for Korean */
#define EUC_TW 3 /* EUC for Taiwan */
#define UNICODE 4 /* Unicode UTF-8 */
#define MULE_INTERNAL 5 /* Mule internal code */
#define LATIN1 6 /* ISO-8859 Latin 1 */
#define LATIN2 7 /* ISO-8859 Latin 2 */
#define LATIN3 8 /* ISO-8859 Latin 3 */
#define LATIN4 9 /* ISO-8859 Latin 4 */
#define LATIN5 10 /* ISO-8859 Latin 5 */
/* followings are for client encoding only */
#define SJIS 16 /* Shift JIS */
#ifdef MB
# if LATIN1 <= MB && MB <= LATIN5
typedef unsigned char pg_wchar;
# else
typedef unsigned int pg_wchar;
# endif
#else
#define pg_wchar char
#endif
/*
* various definitions for EUC
*/
#define SS2 0x8e /* single shift 2 */
#define SS3 0x8f /* single shift 3 */
/*
* various definitions for mule internal code
*/
#define IS_LC1(c) ((unsigned char)(c) >= 0x81 && (unsigned char)(c) <= 0x8f)
#define IS_LCPRV1(c) ((unsigned char)(c) == 0x9a || (unsigned char)(c) == 0x9b)
#define IS_LC2(c) ((unsigned char)(c) >= 0x90 && (unsigned char)(c) <= 0x99)
#define IS_LCPRV2(c) ((unsigned char)(c) == 0x9c || (unsigned char)(c) == 0x9d)
/*
* leading characters
*/
#define LC_ISO8859_1 0x81 /* ISO8859 Latin 1 */
#define LC_ISO8859_2 0x82 /* ISO8859 Latin 2 */
#define LC_ISO8859_3 0x83 /* ISO8859 Latin 3 */
#define LC_ISO8859_4 0x84 /* ISO8859 Latin 4 */
#define LC_ISO8859_5 0x8d /* ISO8859 Latin 5 */
#define LC_JISX0201K 0x89 /* Japanese 1 byte kana */
#define LC_JISX0201R 0x90 /* Japanese 1 byte Roman */
#define LC_GB2312_80 0x91 /* Chinese */
#define LC_JISX0208 0x92 /* Japanese Kanji */
#define LC_KS5601 0x93 /* Korean */
#define LC_JISX0212 0x94 /* Japanese Kanji (JISX0212) */
#define LC_CNS11643_1 0x95 /* CNS 11643-1992 Plane 1 */
#define LC_CNS11643_2 0x96 /* CNS 11643-1992 Plane 2 */
#define LC_CNS11643_3 0xf6 /* CNS 11643-1992 Plane 3 */
#define LC_CNS11643_4 0xf7 /* CNS 11643-1992 Plane 4 */
#define LC_CNS11643_5 0xf8 /* CNS 11643-1992 Plane 5 */
#define LC_CNS11643_6 0xf9 /* CNS 11643-1992 Plane 6 */
#define LC_CNS11643_7 0xfa /* CNS 11643-1992 Plane 7 */
#ifdef MB
extern void pg_mb2wchar(const unsigned char *, pg_wchar *);
extern void pg_mb2wchar_with_len(const unsigned char *, pg_wchar *, int);
extern int pg_char_and_wchar_strcmp(const char *, const pg_wchar *);
extern int pg_wchar_strncmp(const pg_wchar *, const pg_wchar *, size_t);
extern int pg_char_and_wchar_strncmp(const char *, const pg_wchar *, size_t);
extern size_t pg_wchar_strlen(const pg_wchar *);
extern int pg_mblen(const unsigned char *);
extern int pg_encoding_mblen(int, const unsigned char *);
extern int pg_mic_mblen(const unsigned char *);
extern int pg_mbstrlen(const unsigned char *);
extern int pg_mbstrlen_with_len(const unsigned char *, int);
#endif
#endif
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