Content-type: text/html Man page of wctype

wctype

Section: Standard C Library Functions (3C)
Updated: 14 Aug 2002
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NAME

wctype - define character class  

SYNOPSIS

#include <wchar.h> 

wctype_t wctype(const char *charclass);  

DESCRIPTION

The wctype() function is defined for valid character class names as defined in the current locale. The charclass is a string identifying a generic character class for which codeset-specific type information is required. The following character class names are defined in all locales:

alnumalphablank
cntrldigitgraph
lowerprintpunct
spaceupperxdigit

Additional character class names defined in the locale definition file (category LC_CTYPE) can also be specified.

The function returns a value of type wctype_t, which can be used as the second argument to subsequent calls of iswctype(3C). wctype() determines values of wctype_t according to the rules of the coded character set defined by character type information in the program's locale (category LC_CTYPE). The values returned by wctype() are valid until a call to setlocale(3C) that modifies the category LC_CTYPE.  

RETURN VALUES

The wctype() function returns 0 if the given character class name is not valid for the current locale (category LC_CTYPE); otherwise it returns an object of type wctype_t that can be used in calls to iswctype().  

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPEATTRIBUTE VALUE
CSIEnabled
Interface StabilityStandard
MT-LevelMT-Safe with exceptions

 

SEE ALSO

iswctype(3C), setlocale(3C), attributes(5), standards(5)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUES
ATTRIBUTES
SEE ALSO

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Time: 02:37:18 GMT, October 02, 2010