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/* localeinfo.h -- declarations for internal libc locale interfaces
Copyright (C) 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#ifndef _LOCALEINFO_H
#define _LOCALEINFO_H 1
#include <stddef.h>
#include <langinfo.h>
#include <sys/types.h>
/* Magic number at the beginning of a locale data file for CATEGORY. */
#define LIMAGIC(category) (0x051472CA ^ (category))
/* Structure describing locale data in core for a category. */
struct locale_data
{
const char *filedata; /* Region mapping the file data. */
off_t filesize; /* Size of the file (and the region). */
unsigned int nstrings; /* Number of strings below. */
const char *strings[0]; /* Items, usually pointers into `filedata'. */
};
/* For each category declare the variable for the current locale data. */
#define DEFINE_CATEGORY(category, category_name, items, a, b, c, d) \
extern const struct locale_data *_nl_current_##category;
#include "categories.def"
#undef DEFINE_CATEGORY
extern const char *const _nl_category_names[LC_ALL];
extern const struct locale_data * *const _nl_current[LC_ALL];
/* Extract the current CATEGORY locale's string for ITEM. */
#define _NL_CURRENT(category, item) \
(_nl_current_##category->strings[_NL_ITEM_INDEX (item)])
/* This is used in lc-CATEGORY.c to define _nl_current_CATEGORY. */
#define _NL_CURRENT_DEFINE(category) \
extern const struct locale_data _nl_C_##category; \
const struct locale_data *_nl_current_##category = &_nl_C_##category
/* Load the locale data for CATEGORY from the file specified by *NAME.
If *NAME is "", use environment variables as specified by POSIX,
and fill in *NAME with the actual name used. */
extern struct locale_data *_nl_load_locale (int category, char **name);
/* Free the locale data read in by a `_nl_load_locale' call. */
extern void _nl_free_locale (struct locale_data *);
#endif /* localeinfo.h */
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