WCTYPE(3) Linux Programmer's Manual WCTYPE(3)NAMEwctype - 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. Nonzero wctype_t values can be
passed to the iswctype() 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() classification function
"alpha" - realizes the isalpha() classification function
"blank" - realizes the isblank() classification function
"cntrl" - realizes the iscntrl() classification function
"digit" - realizes the isdigit() classification function
"graph" - realizes the isgraph() classification function
"lower" - realizes the islower() classification function
"print" - realizes the isprint() classification function
"punct" - realizes the ispunct() classification function
"space" - realizes the isspace() classification function
"upper" - realizes the isupper() classification function
"xdigit" - realizes the isxdigit() 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.
SEE ALSOiswctype(3)NOTES
The behaviour of wctype() depends on the LC_CTYPE category of the cur‐
rent locale.
GNU 1999-07-25 WCTYPE(3)
