[thirdparty/glibc.git] / iconv / gconv_int.h

/* Copyright (C) 1997-2021 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef _GCONV_INT_H
#define _GCONV_INT_H	1

#include "gconv.h"
#include <stdlib.h>		/* For alloca used in macro below.  */
#include <ctype.h>		/* For __toupper_l used in macro below.  */
#include <string.h>		/* For strlen et al used in macro below.  */
#include <libc-lock.h>

__BEGIN_DECLS


/* Structure for alias definition.  Simply two strings.  */
struct gconv_alias
{
  char *fromname;
  char *toname;
};


/* Structure describing one loaded shared object.  This normally are
   objects to perform conversation but as a special case the db shared
   object is also handled.  */
struct __gconv_loaded_object
{
  /* Name of the object.  It must be the first structure element.  */
  const char *name;

  /* Reference counter for the db functionality.  If no conversion is
     needed we unload the db library.  */
  int counter;

  /* The handle for the shared object.  */
  void *handle;

  /* Pointer to the functions the module defines.  */
  __gconv_fct fct;
  __gconv_init_fct init_fct;
  __gconv_end_fct end_fct;
};


/* Description for an available conversion module.  */
struct gconv_module
{
  const char *from_string;
  const char *to_string;

  int cost_hi;
  int cost_lo;

  const char *module_name;

  struct gconv_module *left;	/* Prefix smaller.  */
  struct gconv_module *same;	/* List of entries with identical prefix.  */
  struct gconv_module *right;	/* Prefix larger.  */
};


/* The specification of the conversion that needs to be performed.  */
struct gconv_spec
{
  char *fromcode;
  char *tocode;
  bool translit;
  bool ignore;
};

/* Flags for `gconv_open'.  */
enum
{
  GCONV_AVOID_NOCONV = 1 << 0
};

/* When GCONV_AVOID_NOCONV is set and no conversion is needed,
   __GCONV_NULCONV should be returned.  */
enum
{
  __GCONV_NULCONV = -1
};

/* Global variables.  */

/* Database of alias names.  */
extern void *__gconv_alias_db attribute_hidden;

/* Array with available modules.  */
extern struct gconv_module *__gconv_modules_db attribute_hidden;

/* Value of the GCONV_PATH environment variable.  */
extern const char *__gconv_path_envvar attribute_hidden;

/* Lock for the conversion database content.  */
__libc_lock_define (extern, __gconv_lock attribute_hidden)


/* The gconv functions expects the name to be in upper case and complete,
   including the trailing slashes if necessary.  */
#define norm_add_slashes(str,suffix) \
  ({									      \
    const char *cp = (str);						      \
    char *result;							      \
    char *tmp;								      \
    size_t cnt = 0;							      \
    const size_t suffix_len = strlen (suffix);				      \
									      \
    while (*cp != '\0')							      \
      if (*cp++ == '/')							      \
	++cnt;								      \
									      \
    tmp = result = __alloca (cp - (str) + 3 + suffix_len);		      \
    cp = (str);								      \
    while (*cp != '\0')							      \
      *tmp++ = __toupper_l (*cp++, _nl_C_locobj_ptr);			      \
    if (cnt < 2)							      \
      {									      \
	*tmp++ = '/';							      \
	if (cnt < 1)							      \
	  {								      \
	    *tmp++ = '/';						      \
	    if (suffix_len != 0)					      \
	      tmp = __mempcpy (tmp, suffix, suffix_len);		      \
	  }								      \
      }									      \
    *tmp = '\0';							      \
    result;								      \
  })


/* Return in *HANDLE, a decriptor for the transformation.  The function expects
   the specification of the transformation in the structure pointed to by
   CONV_SPEC.  It only reads *CONV_SPEC and does not take ownership of it.  */
extern int __gconv_open (struct gconv_spec *conv_spec,
                         __gconv_t *handle, int flags);
libc_hidden_proto (__gconv_open)

/* This function accepts the charset names of the source and destination of the
   conversion and populates *conv_spec with an equivalent conversion
   specification that may later be used by __gconv_open.  The charset names
   might contain options in the form of suffixes that alter the conversion,
   e.g. "ISO-10646/UTF-8/TRANSLIT".  It processes the charset names, ignoring
   and truncating any suffix options in fromcode, and processing and truncating
   any suffix options in tocode.  Supported suffix options ("TRANSLIT" or
   "IGNORE") when found in tocode lead to the corresponding flag in *conv_spec
   to be set to true.  Unrecognized suffix options are silently discarded.  If
   the function succeeds, it returns conv_spec back to the caller.  It returns
   NULL upon failure.  */
extern struct gconv_spec *
__gconv_create_spec (struct gconv_spec *conv_spec, const char *fromcode,
                     const char *tocode);
libc_hidden_proto (__gconv_create_spec)

/* This function frees all heap memory allocated by __gconv_create_spec.  */
extern void
__gconv_destroy_spec (struct gconv_spec *conv_spec);
libc_hidden_proto (__gconv_destroy_spec)

/* Free resources associated with transformation descriptor CD.  */
extern int __gconv_close (__gconv_t cd)
     attribute_hidden;

/* Transform at most *INBYTESLEFT bytes from buffer starting at *INBUF
   according to rules described by CD and place up to *OUTBYTESLEFT
   bytes in buffer starting at *OUTBUF.  Return number of non-identical
   conversions in *IRREVERSIBLE if this pointer is not null.  */
extern int __gconv (__gconv_t cd, const unsigned char **inbuf,
		    const unsigned char *inbufend, unsigned char **outbuf,
		    unsigned char *outbufend, size_t *irreversible)
     attribute_hidden;

/* Return in *HANDLE a pointer to an array with *NSTEPS elements describing
   the single steps necessary for transformation from FROMSET to TOSET.  */
extern int __gconv_find_transform (const char *toset, const char *fromset,
				   struct __gconv_step **handle,
				   size_t *nsteps, int flags)
     attribute_hidden;

/* Search for transformation in cache data.  */
extern int __gconv_lookup_cache (const char *toset, const char *fromset,
				 struct __gconv_step **handle, size_t *nsteps,
				 int flags)
     attribute_hidden;

/* Compare the two name for whether they are after alias expansion the
   same.  This function uses the cache and fails if none is
   loaded.  */
extern int __gconv_compare_alias_cache (const char *name1, const char *name2,
					int *result)
     attribute_hidden;

/* Free data associated with a step's structure.  */
extern void __gconv_release_step (struct __gconv_step *step)
     attribute_hidden;

/* Read all the configuration data and cache it if not done so already.  */
extern void __gconv_load_conf (void) attribute_hidden;

/* Try to read module cache file.  */
extern int __gconv_load_cache (void) attribute_hidden;

/* Retrieve pointer to internal cache.  */
extern void *__gconv_get_cache (void);

/* Retrieve pointer to internal module database.  */
extern struct gconv_module *__gconv_get_modules_db (void);

/* Retrieve pointer to internal alias database.  */
extern void *__gconv_get_alias_db (void);

/* Comparison function to search alias.  */
extern int __gconv_alias_compare (const void *p1, const void *p2)
     attribute_hidden;

/* Clear reference to transformation step implementations which might
   cause the code to be unloaded.  */
extern int __gconv_close_transform (struct __gconv_step *steps,
				    size_t nsteps)
     attribute_hidden;

/* Free all resources allocated for the transformation record when
   using the cache.  */
extern void __gconv_release_cache (struct __gconv_step *steps, size_t nsteps)
     attribute_hidden;

/* Load shared object named by NAME.  If already loaded increment reference
   count.  */
extern struct __gconv_loaded_object *__gconv_find_shlib (const char *name)
     attribute_hidden;

/* Release shared object.  If no further reference is available unload
   the object.  */
extern void __gconv_release_shlib (struct __gconv_loaded_object *handle)
     attribute_hidden;

/* Fill STEP with information about builtin module with NAME.  */
extern void __gconv_get_builtin_trans (const char *name,
				       struct __gconv_step *step)
     attribute_hidden;

/* Transliteration using the locale's data.  */
extern int __gconv_transliterate (struct __gconv_step *step,
                                  struct __gconv_step_data *step_data,
                                  const unsigned char *inbufstart,
                                  const unsigned char **inbufp,
                                  const unsigned char *inbufend,
                                  unsigned char **outbufstart,
                                  size_t *irreversible);
libc_hidden_proto (__gconv_transliterate)

/* If NAME is an codeset alias expand it.  */
extern int __gconv_compare_alias (const char *name1, const char *name2)
     attribute_hidden;


/* Builtin transformations.  */
#ifdef _LIBC
# define __BUILTIN_TRANSFORM(Name) \
  extern int Name (struct __gconv_step *step,				      \
		   struct __gconv_step_data *data,			      \
		   const unsigned char **inbuf,				      \
		   const unsigned char *inbufend,			      \
		   unsigned char **outbufstart, size_t *irreversible,	      \
		   int do_flush, int consume_incomplete)

__BUILTIN_TRANSFORM (__gconv_transform_ascii_internal);
__BUILTIN_TRANSFORM (__gconv_transform_internal_ascii);
__BUILTIN_TRANSFORM (__gconv_transform_utf8_internal);
__BUILTIN_TRANSFORM (__gconv_transform_internal_utf8);
__BUILTIN_TRANSFORM (__gconv_transform_ucs2_internal);
__BUILTIN_TRANSFORM (__gconv_transform_internal_ucs2);
__BUILTIN_TRANSFORM (__gconv_transform_ucs2reverse_internal);
__BUILTIN_TRANSFORM (__gconv_transform_internal_ucs2reverse);
__BUILTIN_TRANSFORM (__gconv_transform_internal_ucs4);
__BUILTIN_TRANSFORM (__gconv_transform_ucs4_internal);
__BUILTIN_TRANSFORM (__gconv_transform_internal_ucs4le);
__BUILTIN_TRANSFORM (__gconv_transform_ucs4le_internal);
__BUILTIN_TRANSFORM (__gconv_transform_internal_utf16);
__BUILTIN_TRANSFORM (__gconv_transform_utf16_internal);
# undef __BUITLIN_TRANSFORM

/* Specialized conversion function for a single byte to INTERNAL, recognizing
   only ASCII characters.  */
extern wint_t __gconv_btwoc_ascii (struct __gconv_step *step, unsigned char c);

#endif

__END_DECLS

#endif /* gconv_int.h */
Commit	Line	Data
2b778ceb	1	/* Copyright (C) 1997-2021 Free Software Foundation, Inc.
e62c19f1 UD	2	This file is part of the GNU C Library.
	3	Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
	4
	5	The GNU C Library is free software; you can redistribute it and/or
41bdb6e2 AJ	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
e62c19f1 UD	9
	10	The GNU C Library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2	13	Lesser General Public License for more details.
e62c19f1	14
41bdb6e2	15	You should have received a copy of the GNU Lesser General Public
59ba27a6	16	License along with the GNU C Library; if not, see
5a82c748	17	<https://www.gnu.org/licenses/>. */
e62c19f1 UD	18
	19	#ifndef _GCONV_INT_H
	20	#define _GCONV_INT_H 1
	21
	22	#include "gconv.h"
c5738211	23	#include <stdlib.h> /* For alloca used in macro below. */
6111babe RM	24	#include <ctype.h> /* For __toupper_l used in macro below. */
6111babe RM	25	#include <string.h> /* For strlen et al used in macro below. */
ec999b8e	26	#include <libc-lock.h>
e62c19f1 UD	27
	28	__BEGIN_DECLS
	29
	30
9a321276	31	/* Structure for alias definition. Simply two strings. */
e62c19f1 UD	32	struct gconv_alias
e62c19f1 UD	33	{
17427edd UD	34	char *fromname;
17427edd UD	35	char *toname;
e62c19f1 UD	36	};
	37
	38
0d9f6793 UD	39	/* Structure describing one loaded shared object. This normally are
	40	objects to perform conversation but as a special case the db shared
	41	object is also handled. */
d64b6ad0	42	struct __gconv_loaded_object
0d9f6793	43	{
b79f74cd	44	/* Name of the object. It must be the first structure element. */
0d9f6793 UD	45	const char *name;
	46
	47	/* Reference counter for the db functionality. If no conversion is
	48	needed we unload the db library. */
	49	int counter;
	50
	51	/* The handle for the shared object. */
b3fc5f84	52	void *handle;
0d9f6793 UD	53
0d9f6793 UD	54	/* Pointer to the functions the module defines. */
d64b6ad0 UD	55	__gconv_fct fct;
	56	__gconv_init_fct init_fct;
	57	__gconv_end_fct end_fct;
0d9f6793 UD	58	};
	59
	60
e62c19f1 UD	61	/* Description for an available conversion module. */
	62	struct gconv_module
	63	{
d2dfc5de	64	const char *from_string;
0d9f6793	65	const char *to_string;
e62c19f1	66
fab6d621 UD	67	int cost_hi;
fab6d621 UD	68	int cost_lo;
e62c19f1	69
0d9f6793	70	const char *module_name;
2bd60880 UD	71
	72	struct gconv_module left; / Prefix smaller. */
	73	struct gconv_module same; / List of entries with identical prefix. */
2bd60880	74	struct gconv_module right; / Prefix larger. */
e62c19f1 UD	75	};
	76
	77
91927b7c AS	78	/* The specification of the conversion that needs to be performed. */
	79	struct gconv_spec
	80	{
	81	char *fromcode;
	82	char *tocode;
	83	bool translit;
	84	bool ignore;
	85	};
	86
c90a2db6 UD	87	/* Flags for `gconv_open'. */
	88	enum
	89	{
	90	GCONV_AVOID_NOCONV = 1 << 0
	91	};
	92
7b503bcc UD	93	/* When GCONV_AVOID_NOCONV is set and no conversion is needed,
	94	__GCONV_NULCONV should be returned. */
	95	enum
	96	{
	97	__GCONV_NULCONV = -1
	98	};
c90a2db6	99
e62c19f1 UD	100	/* Global variables. */
	101
	102	/* Database of alias names. */
230491f0	103	extern void *__gconv_alias_db attribute_hidden;
e62c19f1 UD	104
e62c19f1 UD	105	/* Array with available modules. */
230491f0	106	extern struct gconv_module *__gconv_modules_db attribute_hidden;
e62c19f1	107
6b98979f	108	/* Value of the GCONV_PATH environment variable. */
aa32f798	109	extern const char *__gconv_path_envvar attribute_hidden;
6b98979f	110
9e26f129	111	/* Lock for the conversion database content. */
6f8a7dff	112	__libc_lock_define (extern, __gconv_lock attribute_hidden)
9e26f129	113
e62c19f1	114
17c389fc UD	115	/* The gconv functions expects the name to be in upper case and complete,
17c389fc UD	116	including the trailing slashes if necessary. */
323fb88d	117	#define norm_add_slashes(str,suffix) \
17c389fc UD	118	({ \
	119	const char *cp = (str); \
	120	char *result; \
	121	char *tmp; \
	122	size_t cnt = 0; \
db2f05ba	123	const size_t suffix_len = strlen (suffix); \
17c389fc UD	124	\
	125	while (*cp != '\0') \
	126	if (*cp++ == '/') \
	127	++cnt; \
	128	\
c5738211	129	tmp = result = __alloca (cp - (str) + 3 + suffix_len); \
17c389fc UD	130	cp = (str); \
17c389fc UD	131	while (*cp != '\0') \
4b5b009c	132	tmp++ = __toupper_l (cp++, _nl_C_locobj_ptr); \
17c389fc UD	133	if (cnt < 2) \
	134	{ \
	135	*tmp++ = '/'; \
	136	if (cnt < 1) \
323fb88d UD	137	{ \
323fb88d UD	138	*tmp++ = '/'; \
db2f05ba	139	if (suffix_len != 0) \
323fb88d UD	140	tmp = __mempcpy (tmp, suffix, suffix_len); \
323fb88d UD	141	} \
17c389fc UD	142	} \
	143	*tmp = '\0'; \
	144	result; \
	145	})
	146
	147
91927b7c AS	148	/* Return in *HANDLE, a decriptor for the transformation. The function expects
	149	the specification of the transformation in the structure pointed to by
	150	CONV_SPEC. It only reads CONV_SPEC and does not take ownership of it. /
	151	extern int __gconv_open (struct gconv_spec *conv_spec,
	152	__gconv_t *handle, int flags);
	153	libc_hidden_proto (__gconv_open)
e62c19f1	154
7d4ec75e AS	155	/* This function accepts the charset names of the source and destination of the
	156	conversion and populates *conv_spec with an equivalent conversion
	157	specification that may later be used by __gconv_open. The charset names
	158	might contain options in the form of suffixes that alter the conversion,
	159	e.g. "ISO-10646/UTF-8/TRANSLIT". It processes the charset names, ignoring
	160	and truncating any suffix options in fromcode, and processing and truncating
	161	any suffix options in tocode. Supported suffix options ("TRANSLIT" or
	162	"IGNORE") when found in tocode lead to the corresponding flag in *conv_spec
	163	to be set to true. Unrecognized suffix options are silently discarded. If
	164	the function succeeds, it returns conv_spec back to the caller. It returns
	165	NULL upon failure. */
	166	extern struct gconv_spec *
	167	__gconv_create_spec (struct gconv_spec conv_spec, const char fromcode,
	168	const char *tocode);
	169	libc_hidden_proto (__gconv_create_spec)
	170
	171	/* This function frees all heap memory allocated by __gconv_create_spec. */
	172	extern void
	173	__gconv_destroy_spec (struct gconv_spec *conv_spec);
	174	libc_hidden_proto (__gconv_destroy_spec)
	175
e62c19f1	176	/* Free resources associated with transformation descriptor CD. */
8bcdb7e0 L	177	extern int __gconv_close (__gconv_t cd)
8bcdb7e0 L	178	attribute_hidden;
e62c19f1 UD	179
	180	/* Transform at most INBYTESLEFT bytes from buffer starting at INBUF
	181	according to rules described by CD and place up to *OUTBYTESLEFT
63e04088	182	bytes in buffer starting at *OUTBUF. Return number of non-identical
38677ace	183	conversions in IRREVERSIBLE if this pointer is not null. /
55985355 UD	184	extern int __gconv (__gconv_t cd, const unsigned char **inbuf,
55985355 UD	185	const unsigned char inbufend, unsigned char *outbuf,
8bcdb7e0 L	186	unsigned char outbufend, size_t irreversible)
8bcdb7e0 L	187	attribute_hidden;
e62c19f1 UD	188
	189	/* Return in HANDLE a pointer to an array with NSTEPS elements describing
	190	the single steps necessary for transformation from FROMSET to TOSET. */
55985355 UD	191	extern int __gconv_find_transform (const char toset, const char fromset,
55985355 UD	192	struct __gconv_step **handle,
8bcdb7e0 L	193	size_t *nsteps, int flags)
8bcdb7e0 L	194	attribute_hidden;
e62c19f1	195
6b98979f UD	196	/* Search for transformation in cache data. */
	197	extern int __gconv_lookup_cache (const char toset, const char fromset,
	198	struct __gconv_step *handle, size_t nsteps,
8bcdb7e0 L	199	int flags)
8bcdb7e0 L	200	attribute_hidden;
6b98979f	201
9a018f6c UD	202	/* Compare the two name for whether they are after alias expansion the
	203	same. This function uses the cache and fails if none is
	204	loaded. */
	205	extern int __gconv_compare_alias_cache (const char name1, const char name2,
8bcdb7e0 L	206	int *result)
8bcdb7e0 L	207	attribute_hidden;
9a018f6c	208
6b98979f	209	/* Free data associated with a step's structure. */
8bcdb7e0 L	210	extern void __gconv_release_step (struct __gconv_step *step)
8bcdb7e0 L	211	attribute_hidden;
6b98979f	212
c5288d37 AS	213	/* Read all the configuration data and cache it if not done so already. */
c5288d37 AS	214	extern void __gconv_load_conf (void) attribute_hidden;
e62c19f1	215
6b98979f	216	/* Try to read module cache file. */
8bcdb7e0	217	extern int __gconv_load_cache (void) attribute_hidden;
6b98979f	218
230491f0 UD	219	/* Retrieve pointer to internal cache. */
	220	extern void *__gconv_get_cache (void);
	221
	222	/* Retrieve pointer to internal module database. */
	223	extern struct gconv_module *__gconv_get_modules_db (void);
	224
	225	/* Retrieve pointer to internal alias database. */
	226	extern void *__gconv_get_alias_db (void);
	227
e62c19f1	228	/* Comparison function to search alias. */
dff07c4b UD	229	extern int __gconv_alias_compare (const void p1, const void p2)
dff07c4b UD	230	attribute_hidden;
e62c19f1 UD	231
	232	/* Clear reference to transformation step implementations which might
	233	cause the code to be unloaded. */
55985355	234	extern int __gconv_close_transform (struct __gconv_step *steps,
8bcdb7e0 L	235	size_t nsteps)
8bcdb7e0 L	236	attribute_hidden;
e62c19f1	237
0db59742 UD	238	/* Free all resources allocated for the transformation record when
0db59742 UD	239	using the cache. */
8bcdb7e0 L	240	extern void __gconv_release_cache (struct __gconv_step *steps, size_t nsteps)
8bcdb7e0 L	241	attribute_hidden;
0db59742	242
e62c19f1 UD	243	/* Load shared object named by NAME. If already loaded increment reference
e62c19f1 UD	244	count. */
8bcdb7e0 L	245	extern struct __gconv_loaded_object __gconv_find_shlib (const char name)
8bcdb7e0 L	246	attribute_hidden;
e62c19f1 UD	247
	248	/* Release shared object. If no further reference is available unload
	249	the object. */
8bcdb7e0 L	250	extern void __gconv_release_shlib (struct __gconv_loaded_object *handle)
8bcdb7e0 L	251	attribute_hidden;
e62c19f1 UD	252
e62c19f1 UD	253	/* Fill STEP with information about builtin module with NAME. */
55985355	254	extern void __gconv_get_builtin_trans (const char *name,
8bcdb7e0 L	255	struct __gconv_step *step)
8bcdb7e0 L	256	attribute_hidden;
e62c19f1	257
7ac6fad9 FW	258	/* Transliteration using the locale's data. */
	259	extern int __gconv_transliterate (struct __gconv_step *step,
	260	struct __gconv_step_data *step_data,
	261	const unsigned char *inbufstart,
	262	const unsigned char **inbufp,
	263	const unsigned char *inbufend,
	264	unsigned char **outbufstart,
	265	size_t *irreversible);
ba7b4d29	266	libc_hidden_proto (__gconv_transliterate)
e62c19f1	267
dd9423a6	268	/* If NAME is an codeset alias expand it. */
8bcdb7e0 L	269	extern int __gconv_compare_alias (const char name1, const char name2)
8bcdb7e0 L	270	attribute_hidden;
dd9423a6 UD	271
dd9423a6 UD	272
e62c19f1 UD	273	/* Builtin transformations. */
e62c19f1 UD	274	#ifdef _LIBC
f9ad060c	275	# define __BUILTIN_TRANSFORM(Name) \
55985355 UD	276	extern int Name (struct __gconv_step *step, \
	277	struct __gconv_step_data *data, \
	278	const unsigned char **inbuf, \
f1d5c60d UD	279	const unsigned char *inbufend, \
	280	unsigned char *outbufstart, size_t irreversible, \
	281	int do_flush, int consume_incomplete)
e62c19f1	282
f9ad060c UD	283	__BUILTIN_TRANSFORM (__gconv_transform_ascii_internal);
	284	__BUILTIN_TRANSFORM (__gconv_transform_internal_ascii);
	285	__BUILTIN_TRANSFORM (__gconv_transform_utf8_internal);
	286	__BUILTIN_TRANSFORM (__gconv_transform_internal_utf8);
	287	__BUILTIN_TRANSFORM (__gconv_transform_ucs2_internal);
	288	__BUILTIN_TRANSFORM (__gconv_transform_internal_ucs2);
	289	__BUILTIN_TRANSFORM (__gconv_transform_ucs2reverse_internal);
	290	__BUILTIN_TRANSFORM (__gconv_transform_internal_ucs2reverse);
	291	__BUILTIN_TRANSFORM (__gconv_transform_internal_ucs4);
	292	__BUILTIN_TRANSFORM (__gconv_transform_ucs4_internal);
	293	__BUILTIN_TRANSFORM (__gconv_transform_internal_ucs4le);
	294	__BUILTIN_TRANSFORM (__gconv_transform_ucs4le_internal);
	295	__BUILTIN_TRANSFORM (__gconv_transform_internal_utf16);
	296	__BUILTIN_TRANSFORM (__gconv_transform_utf16_internal);
	297	# undef __BUITLIN_TRANSFORM
	298
	299	/* Specialized conversion function for a single byte to INTERNAL, recognizing
	300	only ASCII characters. */
	301	extern wint_t __gconv_btwoc_ascii (struct __gconv_step *step, unsigned char c);
e62c19f1	302
e62c19f1 UD	303	#endif
	304
	305	__END_DECLS
	306
	307	#endif /* gconv_int.h */