#ifndef _WCHAR_H_#define _WCHAR_H_ #include <stdio.h>#include <stddef.h>#include <stdarg.h>#include <wctype.h> typedef int mbstate_t; struct tm; // Character propertieswctype_t      wctype(const char *);int           wcwidth(wchar_t); // Character conversionwint_t        btowc(int);int           wctob(wint_t);size_t        mbrlen(const char *__restrict, size_t, mbstate_t *__restrict);size_t        mbrtowc(wchar_t *__restrict, const char *__restrict, size_t,                  mbstate_t *__restrict);int           mbsinit(const mbstate_t *);size_t        mbsrtowcs(wchar_t *__restrict, const char **__restrict, size_t,                  mbstate_t *__restrict);size_t        wcrtomb(char *restrict, wchar_t, mbstate_t *restrict); // Wide string functionswchar_t      *wcscat(wchar_t *__restrict, const wchar_t *__restrict);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 *__restrict, const wchar_t *__restrict);size_t        wcscspn(const wchar_t *, const wchar_t *);size_t        wcsftime(wchar_t *__restrict, size_t,                  const wchar_t *__restrict, const struct tm *__restrict);size_t        wcslen(const wchar_t *);wchar_t      *wcsncat(wchar_t *__restrict, const wchar_t *__restrict, size_t);int           wcsncmp(const wchar_t *, const wchar_t *, size_t);wchar_t      *wcsncpy(wchar_t *__restrict, const wchar_t *__restrict, size_t);wchar_t      *wcspbrk(const wchar_t *, const wchar_t *);wchar_t      *wcsrchr(const wchar_t *, wchar_t);size_t        wcsrtombs(char *__restrict, const wchar_t **__restrict,                  size_t, mbstate_t *__restrict);size_t        wcsspn(const wchar_t *, const wchar_t *);wchar_t      *wcsstr(const wchar_t *__restrict, const wchar_t *__restrict);double        wcstod(const wchar_t *__restrict, wchar_t **__restrict);float         wcstof(const wchar_t *__restrict, wchar_t **__restrict);wchar_t      *wcstok(wchar_t *__restrict, const wchar_t *__restrict,                  wchar_t **__restrict);long          wcstol(const wchar_t *__restrict, wchar_t **__restrict, int);long double   wcstold(const wchar_t *__restrict, wchar_t **__restrict);long long     wcstoll(const wchar_t *__restrict, wchar_t **__restrict, int);unsigned long wcstoul(const wchar_t *__restrict, wchar_t **__restrict, int);unsigned long long              wcstoull(const wchar_t *__restrict, wchar_t **__restrict, int);wchar_t      *wcswcs(const wchar_t *, const wchar_t *);int           wcswidth(const wchar_t *, size_t);size_t        wcsxfrm(wchar_t *__restrict, const wchar_t *__restrict, size_t); // Wide-character memory manipulationwchar_t      *wmemchr(const wchar_t *, wchar_t, size_t);int           wmemcmp(const wchar_t *, const wchar_t *, size_t);wchar_t      *wmemcpy(wchar_t *__restrict, const wchar_t *__restrict, size_t);wchar_t      *wmemmove(wchar_t *, const wchar_t *, size_t);wchar_t      *wmemset(wchar_t *, wchar_t, size_t); // Formatted string conversionint           wprintf(const wchar_t *__restrict, ...);int           wscanf(const wchar_t *__restrict, ...);int           vwprintf(const wchar_t *__restrict, va_list);int           vwscanf(const wchar_t *__restrict, va_list);int           swprintf(wchar_t *__restrict, size_t,                  const wchar_t *__restrict, ...);int           swscanf(const wchar_t *__restrict,                  const wchar_t *__restrict, ...);int           vswprintf(wchar_t *__restrict, size_t,                  const wchar_t *__restrict, va_list);int           vswscanf(const wchar_t *__restrict, const wchar_t *__restrict,                  va_list); // Wide character file I/Owint_t        putwchar(wchar_t);wint_t        putwc(wchar_t, FILE *);wint_t        getwchar(void);wint_t        getwc(FILE *);wint_t        ungetwc(wint_t, FILE *);wint_t        fgetwc(FILE *);wchar_t      *fgetws(wchar_t *__restrict, int, FILE *__restrict);wint_t        fputwc(wchar_t, FILE *);int           fputws(const wchar_t *__restrict, FILE *__restrict);int           fwide(FILE *, int);int           fwprintf(FILE *__restrict, const wchar_t *__restrict, ...);int           fwscanf(FILE *__restrict, const wchar_t *__restrict, ...);int           vwprintf(const wchar_t *__restrict, va_list);int           vfwprintf(FILE *__restrict, const wchar_t *__restrict, va_list);int           vfwscanf(FILE *__restrict, const wchar_t *__restrict, va_list); #endif	// _WCHAR_H_