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195 lines
13 KiB
C
195 lines
13 KiB
C
/** @file
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Localization functions and macros.
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Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)locale.h 8.1 (Berkeley) 6/2/93
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* $NetBSD: locale.h,v 1.14 2005/02/03 04:39:32 perry Exp
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**/
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#ifndef _LOCALE_H_
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#define _LOCALE_H_
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/** This is a structure containing members pertaining to the formatting and display of numeric values.
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Each member of this structure is commented with its value in the "C" locale.
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The decimal_point member must point to a string with a length greater than zero.
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All other pointer members may point to "" in order to indicate that the value is not available
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in the current locale, or that it is of zero length. Except for grouping and mon_grouping, the
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strings start and end in the initial shift state.
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The remaining members, of type char, are non-negative numbers or CHAR_MAX, which indicates that
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the value is not available in the current locale.
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Members grouping and mon_grouping point to strings where each element (character) of the string
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indicates the size of the corresponding group of digits and is interpreted as follows:
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- CHAR_MAX No further grouping is to be performed.
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- 0 The previous element is to be repeatedly used for the remainder of the digits.
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- other The ISO specification states: "The integer value is the number of digits that
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compose the current group. The next element is examined to determine the size
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of the next group of digits before the current group." The EDK II implementation
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interprets this to mean that the groups are specified left-to-right.
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The *_sep_by_space members are interpreted as follows:
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- 0 No space separates the currency symbol and value.
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- 1 If the currency symbol and sign string are adjacent, a space separates them from the
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value; otherwise, a space separates the currency symbol from the value.
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- 2 If the currency symbol and sign string are adjacent, a space separates them;
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otherwise, a space separates the sign string from the value.
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For int_p_sep_by_space and int_n_sep_by_space, the fourth character of int_curr_symbol is
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used instead of a space.
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The values of the *_sign_posn members are interpreted as follows:
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- 0 Parentheses surround the quantity and currency symbol.
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- 1 The sign string precedes the quantity and currency symbol.
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- 2 The sign string succeeds the quantity and currency symbol.
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- 3 The sign string immediately precedes the currency symbol.
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- 4 The sign string immediately succeeds the currency symbol.
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**/
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struct lconv {
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char *decimal_point; /**< "." Non-monetary decimal-point. */
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char *thousands_sep; /**< "" Separates groups of digits before the decimal-point */
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char *grouping; /**< "" A string whose elements (characters) indicate the size
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of each group of digits in formatted nonmonetary quantities. */
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char *int_curr_symbol; /**< "" A 4-character string providing the international currency
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symbol. The first three characters contain the alphabetic
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international currency symbol in accordance with those
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specified in ISO 4217. The fourth character, immediately
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preceding the null character, is the character used to separate
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the international currency symbol from the monetary quantity. */
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char *currency_symbol; /**< "" The local currency symbol for the current locale. */
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char *mon_decimal_point; /**< "" The decimal point used for monetary values. */
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char *mon_thousands_sep; /**< "" The separator for digit groups preceeding the decimal-point. */
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char *mon_grouping; /**< "" A string, like grouping, for monetary values. */
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char *positive_sign; /**< "" A string to indicate a non-negative monetary value. */
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char *negative_sign; /**< "" A string to indicate a negative monetary value. */
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char int_frac_digits; /**< CHAR_MAX The number of digits after the decimal-point for international
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monetary values. */
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char frac_digits; /**< CHAR_MAX The number of digits after the decimal-point for local
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monetary values. */
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char p_cs_precedes; /**< CHAR_MAX Set to 1 or 0 if the currency_symbol respectively precedes or
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succeeds the value for non-negative local monetary values. */
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char p_sep_by_space; /**< CHAR_MAX Value specifying the separation between the currency_symbol,
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the sign string, and the value for non-negative local values. */
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char n_cs_precedes; /**< CHAR_MAX Set to 1 or 0 if the currency_symbol respectively precedes or
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succeeds the value for negative local monetary values. */
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char n_sep_by_space; /**< CHAR_MAX Value specifying the separation between the currency_symbol,
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the sign string, and the value for negative local values. */
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char p_sign_posn; /**< CHAR_MAX Value specifying the positioning of the positive_sign for a
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non-negative local monetary quantity. */
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char n_sign_posn; /**< CHAR_MAX Value specifying the positioning of the negative_sign for a
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negative local monetary quantity. */
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char int_p_cs_precedes; /**< CHAR_MAX Set to 1 or 0 if the currency_symbol respectively precedes or
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succeeds the value for non-negative international monetary values. */
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char int_n_cs_precedes; /**< CHAR_MAX Set to 1 or 0 if the currency_symbol respectively precedes or
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succeeds the value for negative international monetary values. */
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char int_p_sep_by_space; /**< CHAR_MAX Value specifying the separation between the currency_symbol,
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the sign string, and the value for non-negative international values. */
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char int_n_sep_by_space; /**< CHAR_MAX Value specifying the separation between the currency_symbol,
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the sign string, and the value for negative international values. */
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char int_p_sign_posn; /**< CHAR_MAX Value specifying the positioning of the positive_sign for a
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non-negative international monetary quantity. */
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char int_n_sign_posn; /**< CHAR_MAX Value specifying the positioning of the negative_sign for a
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negative international monetary quantity. */
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};
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/** @{
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These macros expand to integer expressions suitable for use as the first
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argument (category) to the setlocale() function.
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Only the first six macros are required by the C language specification.
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Implementations are free to extend this list, as has been done with LC_MESSAGES,
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with additional macro definitions, beginning with the characters LC_ and
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an uppercase letter.
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**/
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#define LC_ALL 0 ///< The application's entire locale.
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#define LC_COLLATE 1 ///< Affects the behavior of the strcoll and strxfrm functions.
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#define LC_CTYPE 2 ///< Affects the behavior of the character handling, multibyte, and wide character functions.
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#define LC_MONETARY 3 ///< Affects monetary formatting information.
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#define LC_NUMERIC 4 ///< Affects the decimal-point character and non-monetary formatting information.
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#define LC_TIME 5 ///< Affects the behavior of the strftime and wcsftime functions.
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#define LC_MESSAGES 6
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#define _LC_LAST 7 ///< Number of defined macros. Marks end.
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/*@}*/
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#include <sys/EfiCdefs.h>
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/** @fn char *setlocale(int category, const char *locale)
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@brief The setlocale function is used to retrieve or change parts or all of the current locale.
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@details If locale is NULL, or the same as the current locale, this function just retrieves the
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values for the specified category in the current locale. Otherwise, the specified category
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in the current locale is set to the corresponding values from the specified locale and a pointer
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to the new values is returned.
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@param[in] category The portion of the current locale to be affected by this call.
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The LC_ macros list the supported categories and the meaning of each.
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@param[in] locale A value of "C" for locale specifies the minimal environment for C translation;
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A value of "" specifies the native environment, which is "C" for this
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implementation. If locale is NULL, the current locale is specified.
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@return A pointer to the string associated with the specified category for the new locale,
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a pointer to the string associated with the category for the current locale,
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or NULL if category or locale can not be honored. The return value should not be
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modified by the program, but may be overwritten by subsequent calls to either
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setlocale or localeconv.
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**/
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/** @fn struct lconv *localeconv(void)
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@brief The localeconv function returns a pointer to a lconv structure containing the appropriate
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values for the current locale.
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@return A pointer to a filled-in lconv structure. The returned structure should not be
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modified by the program, but may be overwritten by subsequent calls to either
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setlocale or localeconv.
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**/
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__BEGIN_DECLS
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#ifdef __SETLOCALE_SOURCE__
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char *setlocale(int category, const char *locale);
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char *__setlocale(int category, const char *locale);
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#else /* !__SETLOCALE_SOURCE__ */
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char *setlocale(int category, const char *locale) __RENAME(__setlocale_mb_len_max_32);
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#endif /* !__SETLOCALE_SOURCE__ */
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struct lconv *localeconv(void);
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char *__setlocale_mb_len_max_32(int category, const char *locale);
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__END_DECLS
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#endif /* _LOCALE_H_ */
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