wctype
Defined in header <wctype.h>
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(since C95) |
Constructs a value of type wctype_t
that describes a LC_CTYPE category of wide character classification. It may be one of the standard classification categories, or a locale-specific category, such as "jkanji"
.
Parameters
str | - | C string holding the name of the desired category |
The following values of str
are supported in all C locales:
value of str
|
effect |
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"alnum"
|
identifies the category used by iswalnum
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"alpha"
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identifies the category used by iswalpha
|
"blank"
|
identifies the category used by iswblank (C99)
|
"cntrl"
|
identifies the category used by iswcntrl
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"digit"
|
identifies the category used by iswdigit
|
"graph"
|
identifies the category used by iswgraph
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"lower"
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identifies the category used by iswlower
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"print"
|
identifies the category used by iswprint
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"space"
|
identifies the category used by iswspace
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"upper"
|
identifies the category used by iswupper
|
"xdigit"
|
identifies the category used by iswxdigit
|
Return value
wctype_t
object suitable for use with iswctype
to classify wide characters according to the named category of the current C locale or zero if str
does not name a category supported by the current C locale.
References
C11 standard (ISO/IEC 9899:2011):
- 7.30.2.2.2 The wctype function (p: 452)
C99 standard (ISO/IEC 9899:1999):
- 7.25.2.2.2 The wctype function (p: 398)
See also
(C95) |
classifies a wide character according to the specified LC_CTYPE category (function) |
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