wctype.h File Reference

#include <_types/_wchar_t.h>

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Macros
#define	WEOF   0xffffffffU
#define	WCTYPE_ALNUM   1
#define	WCTYPE_ALPHA   2
#define	WCTYPE_BLANK   3
#define	WCTYPE_CNTRL   4
#define	WCTYPE_DIGIT   5
#define	WCTYPE_GRAPH   6
#define	WCTYPE_LOWER   7
#define	WCTYPE_PRINT   8
#define	WCTYPE_PUNCT   9
#define	WCTYPE_SPACE   10
#define	WCTYPE_UPPER   11
#define	WCTYPE_XDIGIT   12

Typedefs
typedef const int *	wctrans_t
typedef unsigned	wint_t
typedef unsigned long	wctype_t

Functions
int	iswalnum (wint_t)
int	iswalpha (wint_t)
int	iswblank (wint_t)
int	iswcntrl (wint_t)
int	iswctype (wint_t, wctype_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)
wint_t	towctrans (wint_t, wctrans_t)
wint_t	towlower (wint_t)
wint_t	towupper (wint_t)
wctrans_t	wctrans (const char *)
wctype_t	wctype (const char *)

Macro Definition Documentation

WCTYPE_ALNUM

#define WCTYPE_ALNUM   1

Definition at line 17 of file wctype.h.

WCTYPE_ALPHA

#define WCTYPE_ALPHA   2

Definition at line 18 of file wctype.h.

WCTYPE_BLANK

#define WCTYPE_BLANK   3

Definition at line 19 of file wctype.h.

WCTYPE_CNTRL

#define WCTYPE_CNTRL   4

Definition at line 20 of file wctype.h.

WCTYPE_DIGIT

#define WCTYPE_DIGIT   5

Definition at line 21 of file wctype.h.

WCTYPE_GRAPH

#define WCTYPE_GRAPH   6

Definition at line 22 of file wctype.h.

WCTYPE_LOWER

#define WCTYPE_LOWER   7

Definition at line 23 of file wctype.h.

WCTYPE_PRINT

#define WCTYPE_PRINT   8

Definition at line 24 of file wctype.h.

WCTYPE_PUNCT

#define WCTYPE_PUNCT   9

Definition at line 25 of file wctype.h.

WCTYPE_SPACE

#define WCTYPE_SPACE   10

Definition at line 26 of file wctype.h.

WCTYPE_UPPER

#define WCTYPE_UPPER   11

Definition at line 27 of file wctype.h.

WCTYPE_XDIGIT

#define WCTYPE_XDIGIT   12

Definition at line 28 of file wctype.h.

WEOF

#define WEOF   0xffffffffU

Definition at line 15 of file wctype.h.

Typedef Documentation

wctrans_t

typedef const int* wctrans_t

Definition at line 10 of file wctype.h.

wctype_t

typedef unsigned long wctype_t

Definition at line 12 of file wctype.h.

wint_t

typedef unsigned wint_t

Definition at line 11 of file wctype.h.

Function Documentation

iswalnum()

int iswalnum

(

wint_t

)

Definition at line 3 of file iswalnum.c.

{
    return iswdigit(wc) || iswalpha(wc);
}

References iswalpha(), and iswdigit().

Referenced by iswctype().

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iswalpha()

int iswalpha

(

wint_t

)

Definition at line 7 of file iswalpha.c.

{
    if(wc < 0x20000U)
    {
        return (table[table[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1;
    }
    if(wc < 0x2fffeU)
    {
        return 1;
    }
    return 0;
}

References table.

Referenced by __towcase(), iswalnum(), and iswctype().

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iswblank()

int iswblank

(

wint_t

)

Definition at line 4 of file iswblank.c.

{
    return isblank((int)wc);
}

References isblank().

Referenced by iswctype().

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iswcntrl()

int iswcntrl

(

wint_t

)

Definition at line 3 of file iswcntrl.c.

{
    return (unsigned)wc < 32 || (unsigned)(wc - 0x7f) < 33 || (unsigned)(wc - 0x2028) < 2 ||
           (unsigned)(wc - 0xfff9) < 3;
}

Referenced by iswctype().

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iswctype()

int iswctype	(	wint_t	,
		wctype_t
	)

Definition at line 4 of file iswctype.c.

{
    switch(type)
    {
        case WCTYPE_ALNUM:
            return iswalnum(wc);
        case WCTYPE_ALPHA:
            return iswalpha(wc);
        case WCTYPE_BLANK:
            return iswblank(wc);
        case WCTYPE_CNTRL:
            return iswcntrl(wc);
        case WCTYPE_DIGIT:
            return iswdigit(wc);
        case WCTYPE_GRAPH:
            return iswgraph(wc);
        case WCTYPE_LOWER:
            return iswlower(wc);
        case WCTYPE_PRINT:
            return iswprint(wc);
        case WCTYPE_PUNCT:
            return iswpunct(wc);
        case WCTYPE_SPACE:
            return iswspace(wc);
        case WCTYPE_UPPER:
            return iswupper(wc);
        case WCTYPE_XDIGIT:
            return iswxdigit(wc);
    }
    return 0;
}

References iswalnum(), iswalpha(), iswblank(), iswcntrl(), iswdigit(), iswgraph(), iswlower(), iswprint(), iswpunct(), iswspace(), iswupper(), iswxdigit(), WCTYPE_ALNUM, WCTYPE_ALPHA, WCTYPE_BLANK, WCTYPE_CNTRL, WCTYPE_DIGIT, WCTYPE_GRAPH, WCTYPE_LOWER, WCTYPE_PRINT, WCTYPE_PUNCT, WCTYPE_SPACE, WCTYPE_UPPER, and WCTYPE_XDIGIT.

iswdigit()

int iswdigit

(

wint_t

)

Definition at line 3 of file iswdigit.c.

{
    return (unsigned)wc - '0' < 10;
}

Referenced by iswalnum(), and iswctype().

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iswgraph()

int iswgraph

(

wint_t

)

Definition at line 3 of file iswgraph.c.

{
    /* ISO C defines this function as: */
    return !iswspace(wc) && iswprint(wc);
}

References iswprint(), and iswspace().

Referenced by iswctype().

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iswlower()

int iswlower

(

wint_t

)

Definition at line 3 of file iswlower.c.

{
    return towupper(wc) != wc;
}

References towupper().

Referenced by iswctype().

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iswprint()

int iswprint

(

wint_t

)

Definition at line 10 of file iswprint.c.

{
    if(wc < 0xffU)
    {
        return (wc + 1 & 0x7f) >= 0x21;
    }
    if(wc < 0x2028U || wc - 0x202aU < 0xd800 - 0x202a || wc - 0xe000U < 0xfff9 - 0xe000)
    {
        return 1;
    }
    if(wc - 0xfffcU > 0x10ffff - 0xfffc || (wc & 0xfffe) == 0xfffe)
    {
        return 0;
    }

    return 1;
}

Referenced by iswctype(), and iswgraph().

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iswpunct()

int iswpunct

(

wint_t

)

Definition at line 7 of file iswpunct.c.

{
    if(wc < 0x20000U)
    {
        return (table[table[wc >> 8] * 32 + ((wc & 255) >> 3)] >> (wc & 7)) & 1;
    }
    return 0;
}

References table.

Referenced by iswctype().

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iswspace()

int iswspace

(

wint_t

)

Definition at line 8 of file iswspace.c.

{
    static const wchar_t spaces[] = {' ',   '\t',   '\n',   '\r',   11,  12,     0x0085, 0x2000,
                                     0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2008, 0x2009,
                                     0x200a, 0x2028, 0x2029, 0x205f, 0x3000, 0};
    return wc && wcschr(spaces, (wchar_t)wc);
}

References wcschr().

Referenced by iswctype(), and iswgraph().

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iswupper()

int iswupper

(

wint_t

)

Definition at line 3 of file iswupper.c.

{
    return towlower(wc) != wc;
}

References towlower().

Referenced by iswctype().

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iswxdigit()

int iswxdigit

(

wint_t

)

Definition at line 3 of file iswxdigit.c.

{
    return (unsigned)(wc - '0') < 10 || (unsigned)((wc | 32) - 'a') < 6;
}

Referenced by iswctype().

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towctrans()

wint_t towctrans	(	wint_t	,
		wctrans_t
	)

Definition at line 4 of file towctrans.c.

{
    if(trans == (wctrans_t)1)
    {
        return towupper(wc);
    }

    if(trans == (wctrans_t)2)
    {
        return towlower(wc);
    }

    return wc;
}

References towlower(), and towupper().

towlower()

wint_t towlower

(

wint_t

)

Definition at line 4 of file towlower.c.

{
    return (wint_t)(wc < 128 ? tolower((int)wc) : __towcase((wchar_t)wc, 1));
}

References __towcase(), and tolower().

Referenced by iswupper(), and towctrans().

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towupper()

wint_t towupper

(

wint_t

)

Definition at line 4 of file towupper.c.

{
    return (wint_t)(wc < 128 ? toupper((int)wc) : __towcase((wchar_t)wc, 0));
}

References __towcase(), and toupper().

Referenced by iswlower(), and towctrans().

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wctrans()

wctrans_t wctrans

(

const char *

)

Definition at line 4 of file wctrans.c.

{
    if(!strcmp(class, "toupper"))
    {
        return (wctrans_t)1;
    }

    if(!strcmp(class, "tolower"))
    {
        return (wctrans_t)2;
    }

    return 0;
}

References strcmp().

wctype()

wctype_t wctype

(

const char *

)

Definition at line 4 of file wctype.c.

{
    wctype_t i;
    const char* p;
    /* order must match! */
    static const char names[] = "alnum\0"
                                "alpha\0"
                                "blank\0"
                                "cntrl\0"
                                "digit\0"
                                "graph\0"
                                "lower\0"
                                "print\0"
                                "punct\0"
                                "space\0"
                                "upper\0"
                                "xdigit";
    for(i = 1, p = names; *p; i++, p += 6)
    {
        if(*s == *p && !strcmp(s, p))
        {
            return i;
        }
    }
    return 0;
}

References strcmp().