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NAME

       wctype - wide-character classification

SYNOPSIS

       #include <wctype.h>

       wctype_t wctype(const char *name);

DESCRIPTION

       The  wctype_t  type represents a property which a wide character may or
       may  not  have.   In  other  words,  it  represents  a  class  of  wide
       characters.   This  type’s  nature is implementation-dependent, but the
       special value (wctype_t)  0  denotes  an  invalid  property.   Non-zero
       wctype_t  values  can be passed to the iswctype(3) function to actually
       test whether a given wide character has the property.

       The wctype() function returns a property, given by its name.   The  set
       of  valid names depends on the LC_CTYPE category of the current locale,
       but the following names are valid in all locales.
         "alnum" - realizes the isalnum(3) classification function
         "alpha" - realizes the isalpha(3) classification function
         "blank" - realizes the isblank(3) classification function
         "cntrl" - realizes the iscntrl(3) classification function
         "digit" - realizes the isdigit(3) classification function
         "graph" - realizes the isgraph(3) classification function
         "lower" - realizes the islower(3) classification function
         "print" - realizes the isprint(3) classification function
         "punct" - realizes the ispunct(3) classification function
         "space" - realizes the isspace(3) classification function
         "upper" - realizes the isupper(3) classification function
         "xdigit" - realizes the isxdigit(3) classification function

RETURN VALUE

       The wctype() function returns a property  descriptor  if  the  name  is
       valid.  Otherwise it returns (wctype_t) 0.

CONFORMING TO

       C99.

NOTES

       The  behavior  of  wctype()  depends  on  the  LC_CTYPE category of the
       current locale.

SEE ALSO

       iswctype(3)

COLOPHON

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