wchar.h File Reference

#include <stddef.h>
#include <stdint.h>
#include <wctype.h>

Include dependency graph for wchar.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	mbstate_t

Functions
int	wcwidth (wchar_t)
int	wcswidth (const wchar_t *, size_t)
wchar_t *	wcschr (const wchar_t *, wchar_t)
wint_t	btowc (int)
int	wctob (wint_t)
wchar_t *	wcscpy (wchar_t *__restrict, const wchar_t *__restrict)
wchar_t *	wcsncpy (wchar_t *__restrict, const wchar_t *__restrict, size_t)
wchar_t *	wcscat (wchar_t *__restrict, const wchar_t *__restrict)
wchar_t *	wcsncat (wchar_t *__restrict, const wchar_t *__restrict, size_t)
int	wcscmp (const wchar_t *, const wchar_t *)
int	wcsncmp (const wchar_t *, const wchar_t *, size_t)
int	wcscoll (const wchar_t *, const wchar_t *)
size_t	wcsxfrm (wchar_t *__restrict, const wchar_t *__restrict, size_t)
wchar_t *	wcsrchr (const wchar_t *, wchar_t)
size_t	wcscspn (const wchar_t *, const wchar_t *)
size_t	wcsspn (const wchar_t *, const wchar_t *)
wchar_t *	wcspbrk (const wchar_t *, const wchar_t *)
wchar_t *	wcstok (wchar_t *__restrict, const wchar_t *__restrict, wchar_t **__restrict)
size_t	wcslen (const wchar_t *)
wchar_t *	wcsstr (const wchar_t *__restrict, const wchar_t *__restrict)
wchar_t *	wcswcs (const wchar_t *, const 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 *__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)
int	mbsinit (const mbstate_t *)
size_t	mbrtowc (wchar_t *__restrict, const char *__restrict, size_t, mbstate_t *__restrict)
size_t	wcrtomb (char *__restrict, wchar_t, mbstate_t *__restrict)
size_t	mbrlen (const char *__restrict, size_t, mbstate_t *__restrict)
size_t	mbsrtowcs (wchar_t *__restrict, const char **__restrict, size_t, mbstate_t *__restrict)
size_t	wcsrtombs (char *__restrict, const wchar_t **__restrict, size_t, mbstate_t *__restrict)
float	wcstof (const wchar_t *__restrict, wchar_t **__restrict)
double	wcstod (const wchar_t *__restrict, wchar_t **__restrict)
long double	wcstold (const wchar_t *__restrict, wchar_t **__restrict)
long	wcstol (const wchar_t *__restrict, wchar_t **__restrict, int)
unsigned long	wcstoul (const wchar_t *__restrict, wchar_t **__restrict, int)
long long	wcstoll (const wchar_t *__restrict, wchar_t **__restrict, int)
unsigned long long	wcstoull (const wchar_t *__restrict, wchar_t **__restrict, int)
size_t	mbsnrtowcs (wchar_t *__restrict, const char **__restrict, size_t, size_t, mbstate_t *__restrict)
size_t	wcsnrtombs (char *__restrict, const wchar_t **__restrict, size_t, size_t, mbstate_t *__restrict)
wchar_t *	wcsdup (const wchar_t *)
size_t	wcsnlen (const wchar_t *, size_t)
wchar_t *	wcpcpy (wchar_t *__restrict, const wchar_t *__restrict)
wchar_t *	wcpncpy (wchar_t *__restrict, const wchar_t *__restrict, size_t)
int	wcscasecmp (const wchar_t *, const wchar_t *)
int	wcsncasecmp (const wchar_t *, const wchar_t *, size_t)
size_t	wcsftime (wchar_t *__restrict, size_t, const wchar_t *__restrict, const struct tm *__restrict)

---

Class Documentation

mbstate_t

struct mbstate_t

Definition at line 14 of file wchar.h.

Collaboration diagram for mbstate_t:

Class Members
unsigned	__opaque1
unsigned	__opaque2

Function Documentation

btowc()

wint_t btowc

(

int

)

mbrlen()

size_t mbrlen	(	const char *	__restrict,
		size_t	,
		mbstate_t *	__restrict
	)

mbrtowc()

size_t mbrtowc	(	wchar_t *	__restrict,
		const char *	__restrict,
		size_t	,
		mbstate_t *	__restrict
	)

mbsinit()

int mbsinit

(

const mbstate_t *

)

mbsnrtowcs()

size_t mbsnrtowcs	(	wchar_t *	__restrict,
		const char **	__restrict,
		size_t	,
		size_t	,
		mbstate_t *	__restrict
	)

mbsrtowcs()

size_t mbsrtowcs	(	wchar_t *	__restrict,
		const char **	__restrict,
		size_t	,
		mbstate_t *	__restrict
	)

wcpcpy()

wchar_t* wcpcpy	(	wchar_t *	__restrict,
		const wchar_t *	__restrict
	)

wcpncpy()

wchar_t* wcpncpy	(	wchar_t *	__restrict,
		const wchar_t *	__restrict,
		size_t
	)

wcrtomb()

size_t wcrtomb	(	char *	__restrict,
		wchar_t	,
		mbstate_t *	__restrict
	)

wcscasecmp()

int wcscasecmp	(	const wchar_t *	,
		const wchar_t *
	)

wcscat()

wchar_t* wcscat	(	wchar_t *	__restrict,
		const wchar_t *	__restrict
	)

wcschr()

wchar_t* wcschr	(	const wchar_t *	,
		wchar_t
	)

Referenced by iswspace().

wcscmp()

int wcscmp	(	const wchar_t *	,
		const wchar_t *
	)

wcscoll()

int wcscoll	(	const wchar_t *	,
		const wchar_t *
	)

wcscpy()

wchar_t* wcscpy	(	wchar_t *	__restrict,
		const wchar_t *	__restrict
	)

wcscspn()

size_t wcscspn	(	const wchar_t *	,
		const wchar_t *
	)

wcsdup()

wchar_t* wcsdup

(

const wchar_t *

)

wcsftime()

size_t wcsftime	(	wchar_t *	__restrict,
		size_t	,
		const wchar_t *	__restrict,
		const struct tm *	__restrict
	)

wcslen()

size_t wcslen

(

const wchar_t *

)

wcsncasecmp()

int wcsncasecmp	(	const wchar_t *	,
		const wchar_t *	,
		size_t
	)

wcsncat()

wchar_t* wcsncat	(	wchar_t *	__restrict,
		const wchar_t *	__restrict,
		size_t
	)

wcsncmp()

int wcsncmp	(	const wchar_t *	,
		const wchar_t *	,
		size_t
	)

wcsncpy()

wchar_t* wcsncpy	(	wchar_t *	__restrict,
		const wchar_t *	__restrict,
		size_t
	)

wcsnlen()

size_t wcsnlen	(	const wchar_t *	,
		size_t
	)

wcsnrtombs()

size_t wcsnrtombs	(	char *	__restrict,
		const wchar_t **	__restrict,
		size_t	,
		size_t	,
		mbstate_t *	__restrict
	)

wcspbrk()

wchar_t* wcspbrk	(	const wchar_t *	,
		const wchar_t *
	)

wcsrchr()

wchar_t* wcsrchr	(	const wchar_t *	,
		wchar_t
	)

wcsrtombs()

size_t wcsrtombs	(	char *	__restrict,
		const wchar_t **	__restrict,
		size_t	,
		mbstate_t *	__restrict
	)

wcsspn()

size_t wcsspn	(	const wchar_t *	,
		const wchar_t *
	)

wcsstr()

wchar_t* wcsstr	(	const wchar_t *	__restrict,
		const wchar_t *	__restrict
	)

wcstod()

double wcstod	(	const wchar_t *	__restrict,
		wchar_t **	__restrict
	)

wcstof()

float wcstof	(	const wchar_t *	__restrict,
		wchar_t **	__restrict
	)

wcstok()

wchar_t* wcstok	(	wchar_t *	__restrict,
		const wchar_t *	__restrict,
		wchar_t **	__restrict
	)

wcstol()

long wcstol	(	const wchar_t *	__restrict,
		wchar_t **	__restrict,
		int
	)

wcstold()

long double wcstold	(	const wchar_t *	__restrict,
		wchar_t **	__restrict
	)

wcstoll()

long long wcstoll	(	const wchar_t *	__restrict,
		wchar_t **	__restrict,
		int
	)

wcstoul()

unsigned long wcstoul	(	const wchar_t *	__restrict,
		wchar_t **	__restrict,
		int
	)

wcstoull()

unsigned long long wcstoull	(	const wchar_t *	__restrict,
		wchar_t **	__restrict,
		int
	)

wcswcs()

wchar_t* wcswcs	(	const wchar_t *	,
		const wchar_t *
	)

wcswidth()

int wcswidth	(	const wchar_t *	,
		size_t
	)

Definition at line 3 of file wcswidth.c.

{
    int l = 0, k = 0;
    for(; n-- && *wcs && (k = wcwidth(*wcs)) >= 0; l += k, wcs++)
    {
        {
            ;
        }
    }
    return (k < 0) ? k : l;
}

References wcwidth().

wcsxfrm()

size_t wcsxfrm	(	wchar_t *	__restrict,
		const wchar_t *	__restrict,
		size_t
	)

wctob()

int wctob

(

wint_t

)

wcwidth()

int wcwidth

(

wchar_t

)

Definition at line 11 of file wcwidth.c.

{
    if(wc < (wchar_t)0xffU)
    {
        return (wc + 1 & 0x7f) >= 0x21 ? 1 : wc ? -1 : 0;
    }

    if((wc & (wchar_t)0xfffeffffU) < 0xfffe)
    {
        if((table[table[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1)
        {
            return 0;
        }

        if((wtable[wtable[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1)
        {
            return 2;
        }

        return 1;
    }

    if((wc & 0xfffe) == 0xfffe)
    {
        return -1;
    }

    if(wc - (wchar_t)0x20000U < 0x20000)
    {
        return 2;
    }

    if(wc == 0xe0001 || wc - (wchar_t)0xe0020U < 0x5f || wc - 0xe0100 < 0xef)
    {
        return 0;
    }

    return 1;
}

References table, and wtable.

Referenced by wcswidth().

Here is the caller graph for this function:

wmemchr()

wchar_t* wmemchr	(	const wchar_t *	,
		wchar_t	,
		size_t
	)

wmemcmp()

int wmemcmp	(	const wchar_t *	,
		const wchar_t *	,
		size_t
	)

wmemcpy()

wchar_t* wmemcpy	(	wchar_t *	__restrict,
		const wchar_t *	__restrict,
		size_t
	)

wmemmove()

wchar_t* wmemmove	(	wchar_t *	,
		const wchar_t *	,
		size_t
	)

wmemset()

wchar_t* wmemset	(	wchar_t *	,
		wchar_t	,
		size_t
	)