wchar_t wint_t WCHAR_MAX
size_t struct tm WCHAR_MIN
mbstate_t NULL WEOF
int fwprintf(FILE *restrict stream, const wchar_t *restrict format, ...);
int fwscanf(FILE *restrict stream, const wchar_t *restrict format, ...);
int swprintf(wchar_t *restrict s, size_t n, const wchar_t *restrict format,
...);
int swscanf(const wchar_t *restrict s, const wchar_t *restrict format, ...);
int vfwprintf(FILE *restrict stream, const wchar_t *restrict format,
va_list arg);
int vfwscanf(FILE *restrict stream, const wchar_t *restrict format,
va_list arg);
int vswprintf(wchar_t *restrict s, size_t n, const wchar_t *restrict format,
va_list arg);
int vswscanf(const wchar_t *restrict s, const wchar_t *restrict format,
va_list arg);
int vwprintf(const wchar_t *restrict format, va_list arg);
int vwscanf(const wchar_t *restrict format, va_list arg);
int wprintf(const wchar_t *restrict format, ...);
int wscanf(const wchar_t *restrict format, ...);
wint_t fgetwc(FILE *stream);
wchar_t *fgetws(wchar_t *restrict s, int n, FILE *restrict stream);
wint_t fputwc(wchar_t c, FILE *stream);
int fputws(const wchar_t *restrict s, FILE *restrict stream);
int fwide(FILE *stream, int mode);
wint_t getwc(FILE *stream);
wint_t getwchar(void);
wint_t putwc(wchar_t c, FILE *stream);
wint_t putwchar(wchar_t c);
wint_t ungetwc(wint_t c, FILE *stream);
double wcstod(const wchar_t *restrict nptr, wchar_t **restrict endptr);
float wcstof(const wchar_t *restrict nptr, wchar_t **restrict endptr);
long double wcstold(const wchar_t *restrict nptr, wchar_t **restrict endptr);
long int wcstol(const wchar_t *restrict nptr, wchar_t **restrict endptr,
int base);
long long int wcstoll(const wchar_t *restrict nptr, wchar_t **restrict endptr,
int base);
unsigned long int wcstoul(const wchar_t *restrict nptr,
wchar_t **restrict endptr, int base);
unsigned long long int wcstoull(const wchar_t *restrict nptr,
wchar_t **restrict endptr, int base);
wchar_t *wcscpy(wchar_t *restrict s1, const wchar_t *restrict s2);
wchar_t *wcsncpy(wchar_t *restrict s1, const wchar_t *restrict s2, size_t n);
wchar_t *wmemcpy(wchar_t *restrict s1, const wchar_t *restrict s2, size_t n);
wchar_t *wmemmove(wchar_t *s1, const wchar_t *s2, size_t n);
wchar_t *wcscat(wchar_t *restrict s1, const wchar_t *restrict s2);
wchar_t *wcsncat(wchar_t *restrict s1, const wchar_t *restrict s2, size_t n);
int wcscmp(const wchar_t *s1, const wchar_t *s2);
int wcscoll(const wchar_t *s1, const wchar_t *s2);
int wcsncmp(const wchar_t *s1, const wchar_t *s2, size_t n);
size_t wcsxfrm(wchar_t *restrict s1, const wchar_t *restrict s2, size_t n);
int wmemcmp(const wchar_t *s1, const wchar_t *s2, size_t n);
wchar_t *wcschr(const wchar_t *s, wchar_t c);
size_t wcscspn(const wchar_t *s1, const wchar_t *s2);
wchar_t *wcspbrk(const wchar_t *s1, const wchar_t *s2);
*wchar_t *wcsrchr(const wchar_t *s, wchar_t c);
size_t wcsspn(const wchar_t *s1, const wchar_t *s2);
wchar_t *wcsstr(const wchar_t *s1, const wchar_t *s2);
wchar_t *wcstok(wchar_t *restrict s1, const wchar_t *restrict s2,
wchar_t **restrict ptr);
wchar_t *wmemchr(const wchar_t *s, wchar_t c, size_t n);
size_t wcslen(const wchar_t *s);
wchar_t *wmemset(wchar_t *s, wchar_t c, size_t n);
size_t wcsftime(wchar_t *restrict s, size_t maxsize,
const wchar_t *restrict format,
const struct tm *restrict timeptr);
wint_t btowc(int c);
int wctob(wint_t c);
int mbsinit(const mbstate_t *ps);
size_t mbrlen(const char *restrict s, size_t n, mbstate_t *restrict ps);
size_t mbrtowc(wchar_t *restrict pwc, const char *restrict s, size_t n,
mbstate_t *restrict ps);
size_t wcrtomb(char *restrict s, wchar_t wc, mbstate_t *restrict ps);
size_t mbsrtowcs(wchar_t *restrict dst, const char **restrict src, size_t len,
mbstate_t *restrict ps);
size_t wcsrtombs(char *restrict dst, const wchar_t **restrict src, size_t len,
mbstate_t *restrict ps);