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Define a wide-character class
#include <wctype.h> wctype_t wctype( const char * property );
- A string that defines the property of the class; see below.
Use the -l c option to qcc to link against this library. This library is usually included automatically.
The wctype() function determines a classification rule for wide-character codes according to the category LC_CTYPE, particularly for use with iswctype().
Some classes are defined in all locales, although additional classes may be defined for LC_CTYPE. Use setlocale() to modify the category LC_CTYPE.
A wctype_t object that you can use in a call to iswctype(), or 0 if the character class name isn't valid for the current locale.