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incubator-nuttx/include/wchar.h

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/****************************************************************************
* include/wchar.h
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __INCLUDE_WCHAR_H
#define __INCLUDE_WCHAR_H
/****************************************************************************
* Included Files
****************************************************************************/
/* "Inclusion of the <wchar.h> header may make visible all symbols from the
* headers <ctype.h>, <stdio.h>, <stdarg.h>, <stdlib.h>, <string.h>,
* <stddef.h> and <time.h>."
*
* Reference: Opengroup.org
*/
#include <stdio.h>
#include <stddef.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* <wchar.h> defines the following macro names:
*
* WCHAR_MAX
* The maximum value representable by an object of type wchar_t.
*
* WCHAR_MIN
* The minimum value representable by an object of type wchar_t.
*
* WEOF
* Constant expression of type wint_t that is returned by several WP
* functions to indicate end-of-file.
*
* NULL
* As described in <stddef.h>.
*
* Reference: Opengroup.org
*/
#define WCHAR_MAX 0xffff
#define WCHAR_MIN 0x0000
#define WEOF ((wint_t)-1)
#ifndef NULL
# define NULL ((FAR void *)0)
#endif
/****************************************************************************
* Type Definitions
****************************************************************************/
/* "The <wchar.h> header defines the following data types through
*
* wchar_t
* As described in <stddef.h>.
*
* wint_t
* An integral type capable of storing any valid value of wchar_t, or WEOF.
*
* wctype_t
* A scalar type of a data object that can hold values which represent
* locale-specific character classification.
*
* mbstate_t
* An object type other than an array type that can hold the conversion
* state information necessary to convert between sequences of (possibly
* multibyte) characters and wide-characters. If a codeset is being used
* such that an mbstate_t needs to preserve more than 2 levels of reserved
* state, the results are unspecified.
*
* FILE
* As described in <stdio.h>.
*
* size_t
* As described in <stddef.h>."
*
* Reference: Opengroup.org
*/
typedef int wint_t;
/* "The tag tm is declared as naming an incomplete structure type, the
* contents of which are described in the header <time.h>."
*
* Reference: Opengroup.org
*/
struct tm; /* Forward reference (see <time.h>) */
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/* "The <wchar.h> header declares the following as functions and may also
* define them as macros. Function prototypes must be provided for use with
* an ISO C compiler."
*
* Reference: Opengroup.org
*/
#if 0 /* Not yet implemented */
wint_t btowc(int);
int fwprintf(FILE *, const wchar_t *, ...);
int fwscanf(FILE *, const wchar_t *, ...);
int iswalnum(wint_t);
int iswalpha(wint_t);
int iswcntrl(wint_t);
int iswdigit(wint_t);
int iswgraph(wint_t);
int iswlower(wint_t);
int iswprint(wint_t);
int iswpunct(wint_t);
int iswspace(wint_t);
int iswupper(wint_t);
int iswxdigit(wint_t);
int iswctype(wint_t, wctype_t);
wint_t fgetwc(FILE *);
wchar_t *fgetws(wchar_t *, int, FILE *);
wint_t fputwc(wchar_t, FILE *);
int fputws(const wchar_t *, FILE *);
int fwide(FILE *, int);
wint_t getwc(FILE *);
wint_t getwchar(void);
int mbsinit(const mbstate_t *);
size_t mbrlen(const char *, size_t, mbstate_t *);
size_t mbrtowc(wchar_t *, const char *, size_t,
mbstate_t *);
size_t mbsrtowcs(wchar_t *, const char **, size_t,
mbstate_t *);
wint_t putwc(wchar_t, FILE *);
wint_t putwchar(wchar_t);
int swprintf(wchar_t *, size_t, const wchar_t *, ...);
int swscanf(const wchar_t *, const wchar_t *, ...);
wint_t towlower(wint_t);
wint_t towupper(wint_t);
wint_t ungetwc(wint_t, FILE *);
int vfwprintf(FILE *, const wchar_t *, va_list);
int vwprintf(const wchar_t *, va_list);
int vswprintf(wchar_t *, size_t, const wchar_t *,
va_list);
size_t wcrtomb(char *, wchar_t, mbstate_t *);
wchar_t *wcscat(wchar_t *, const wchar_t *);
wchar_t *wcschr(const wchar_t *, wchar_t);
int wcscmp(const wchar_t *, const wchar_t *);
int wcscoll(const wchar_t *, const wchar_t *);
wchar_t *wcscpy(wchar_t *, const wchar_t *);
size_t wcscspn(const wchar_t *, const wchar_t *);
size_t wcsftime(wchar_t *, size_t, const wchar_t *,
const struct tm *);
size_t wcslen(const wchar_t *);
wchar_t *wcsncat(wchar_t *, const wchar_t *, size_t);
int wcsncmp(const wchar_t *, const wchar_t *, size_t);
wchar_t *wcsncpy(wchar_t *, const wchar_t *, size_t);
wchar_t *wcspbrk(const wchar_t *, const wchar_t *);
wchar_t *wcsrchr(const wchar_t *, wchar_t);
size_t wcsrtombs(char *, const wchar_t **, size_t,
mbstate_t *);
size_t wcsspn(const wchar_t *, const wchar_t *);
wchar_t *wcsstr(const wchar_t *, const wchar_t *);
double wcstod(const wchar_t *, wchar_t **);
wchar_t *wcstok(wchar_t *, const wchar_t *, wchar_t **);
long int wcstol(const wchar_t *, wchar_t **, int);
unsigned long int wcstoul(const wchar_t *, wchar_t **, int);
wchar_t *wcswcs(const wchar_t *, const wchar_t *);
int wcswidth(const wchar_t *, size_t);
size_t wcsxfrm(wchar_t *, const wchar_t *, size_t);
int wctob(wint_t);
wctype_t wctype(const char *);
int wcwidth(wchar_t);
wchar_t *wmemchr(const wchar_t *, wchar_t, size_t);
int wmemcmp(const wchar_t *, const wchar_t *, size_t);
wchar_t *wmemcpy(wchar_t *, const wchar_t *, size_t);
wchar_t *wmemmove(wchar_t *, const wchar_t *, size_t);
wchar_t *wmemset(wchar_t *, wchar_t, size_t);
int wprintf(const wchar_t *, ...);
int wscanf(const wchar_t *, ...);
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __INCLUDE_WCHAR_H */
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