Add include/wchar.h
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Gregory Nutt
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include/wchar.h
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228
include/wchar.h
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/****************************************************************************
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* include/wchar.h
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*
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* Copyright (C) 2014 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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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*
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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
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* 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 COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __INCLUDE_WCHAR_H
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#define __INCLUDE_WCHAR_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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/* "Inclusion of the <wchar.h> header may make visible all symbols from the
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* headers <ctype.h>, <stdio.h>, <stdarg.h>, <stdlib.h>, <string.h>,
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* <stddef.h> and <time.h>."
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*
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* Reference: Opengroup.org
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*/
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#include <stdio.h>
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#include <stddef.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* <wchar.h> defines the following macro names:
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*
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* WCHAR_MAX
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* The maximum value representable by an object of type wchar_t.
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*
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* WCHAR_MIN
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* The minimum value representable by an object of type wchar_t.
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*
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* WEOF
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* Constant expression of type wint_t that is returned by several WP
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* functions to indicate end-of-file.
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*
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* NULL
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* As described in <stddef.h>.
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*
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* Reference: Opengroup.org
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*/
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#define WCHAR_MAX 0xffff
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#define WCHAR_MIN 0x0000
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#define WEOF ((wint_t)-1)
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#ifndef NULL
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# define NULL ((FAR void *)0)
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#endif
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/****************************************************************************
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* Type Definitions
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****************************************************************************/
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/* "The <wchar.h> header defines the following data types through
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*
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* wchar_t
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* As described in <stddef.h>.
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*
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* wint_t
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* An integral type capable of storing any valid value of wchar_t, or WEOF.
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*
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* wctype_t
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* A scalar type of a data object that can hold values which represent
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* locale-specific character classification.
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*
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* mbstate_t
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* An object type other than an array type that can hold the conversion
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* state information necessary to convert between sequences of (possibly
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* multibyte) characters and wide-characters. If a codeset is being used
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* such that an mbstate_t needs to preserve more than 2 levels of reserved
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* state, the results are unspecified.
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*
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* FILE
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* As described in <stdio.h>.
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*
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* size_t
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* As described in <stddef.h>."
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*
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* Reference: Opengroup.org
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*/
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typedef int wint_t;
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/* "The tag tm is declared as naming an incomplete structure type, the
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* contents of which are described in the header <time.h>."
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*
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* Reference: Opengroup.org
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*/
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struct tm; /* Forward reference (see <time.h>) */
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/* "The <wchar.h> header declares the following as functions and may also
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* define them as macros. Function prototypes must be provided for use with
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* an ISO C compiler."
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*
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* Reference: Opengroup.org
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*/
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#if 0 /* Not yet implemented */
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wint_t btowc(int);
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int fwprintf(FILE *, const wchar_t *, ...);
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int fwscanf(FILE *, const wchar_t *, ...);
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int iswalnum(wint_t);
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int iswalpha(wint_t);
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int iswcntrl(wint_t);
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int iswdigit(wint_t);
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int iswgraph(wint_t);
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int iswlower(wint_t);
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int iswprint(wint_t);
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int iswpunct(wint_t);
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int iswspace(wint_t);
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int iswupper(wint_t);
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int iswxdigit(wint_t);
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int iswctype(wint_t, wctype_t);
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wint_t fgetwc(FILE *);
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wchar_t *fgetws(wchar_t *, int, FILE *);
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wint_t fputwc(wchar_t, FILE *);
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int fputws(const wchar_t *, FILE *);
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int fwide(FILE *, int);
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wint_t getwc(FILE *);
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wint_t getwchar(void);
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int mbsinit(const mbstate_t *);
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size_t mbrlen(const char *, size_t, mbstate_t *);
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size_t mbrtowc(wchar_t *, const char *, size_t,
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mbstate_t *);
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size_t mbsrtowcs(wchar_t *, const char **, size_t,
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mbstate_t *);
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wint_t putwc(wchar_t, FILE *);
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wint_t putwchar(wchar_t);
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int swprintf(wchar_t *, size_t, const wchar_t *, ...);
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int swscanf(const wchar_t *, const wchar_t *, ...);
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wint_t towlower(wint_t);
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wint_t towupper(wint_t);
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wint_t ungetwc(wint_t, FILE *);
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int vfwprintf(FILE *, const wchar_t *, va_list);
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int vwprintf(const wchar_t *, va_list);
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int vswprintf(wchar_t *, size_t, const wchar_t *,
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va_list);
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size_t wcrtomb(char *, wchar_t, mbstate_t *);
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wchar_t *wcscat(wchar_t *, const wchar_t *);
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wchar_t *wcschr(const wchar_t *, wchar_t);
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int wcscmp(const wchar_t *, const wchar_t *);
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int wcscoll(const wchar_t *, const wchar_t *);
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wchar_t *wcscpy(wchar_t *, const wchar_t *);
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size_t wcscspn(const wchar_t *, const wchar_t *);
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size_t wcsftime(wchar_t *, size_t, const wchar_t *,
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const struct tm *);
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size_t wcslen(const wchar_t *);
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wchar_t *wcsncat(wchar_t *, const wchar_t *, size_t);
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int wcsncmp(const wchar_t *, const wchar_t *, size_t);
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wchar_t *wcsncpy(wchar_t *, const wchar_t *, size_t);
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wchar_t *wcspbrk(const wchar_t *, const wchar_t *);
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wchar_t *wcsrchr(const wchar_t *, wchar_t);
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size_t wcsrtombs(char *, const wchar_t **, size_t,
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mbstate_t *);
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size_t wcsspn(const wchar_t *, const wchar_t *);
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wchar_t *wcsstr(const wchar_t *, const wchar_t *);
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double wcstod(const wchar_t *, wchar_t **);
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wchar_t *wcstok(wchar_t *, const wchar_t *, wchar_t **);
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long int wcstol(const wchar_t *, wchar_t **, int);
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unsigned long int wcstoul(const wchar_t *, wchar_t **, int);
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wchar_t *wcswcs(const wchar_t *, const wchar_t *);
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int wcswidth(const wchar_t *, size_t);
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size_t wcsxfrm(wchar_t *, const wchar_t *, size_t);
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int wctob(wint_t);
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wctype_t wctype(const char *);
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int wcwidth(wchar_t);
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wchar_t *wmemchr(const wchar_t *, wchar_t, size_t);
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int wmemcmp(const wchar_t *, const wchar_t *, size_t);
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wchar_t *wmemcpy(wchar_t *, const wchar_t *, size_t);
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wchar_t *wmemmove(wchar_t *, const wchar_t *, size_t);
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wchar_t *wmemset(wchar_t *, wchar_t, size_t);
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int wprintf(const wchar_t *, ...);
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int wscanf(const wchar_t *, ...);
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCLUDE_WCHAR_H */
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