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WCTYPE(3) Library Functions Manual WCTYPE(3)

wctypeget character class identifier by name

#include <wctype.h>

wctype(const char *charclass);

The () function returns a character class identifier corresponding to the locale-specific character class name charclass. This identifier can be used in subsequent calls of (). The following names are defined in all locales:

alnum alpha blank cntrl digit graph
lower print punct space upper xdigit

The behaviour of () is affected by the LC_CTYPE category of the current locale.

wcttype() returns:

If charclass does not correspond to a valid character class name.
A character class identifier corresponding to charclass.

Note: wctype_t is a scalar type, e.g., a pointer.

No errors are defined.

iswctype(3), setlocale(3), towctrans(3), wctrans(3)

The wctype() function conforms to ISO/IEC 9899/AMD1:1995 (‘ISO C90, Amendment 1’).

June 5, 2013 OpenBSD-6.1