WCTYPE(3) BSD Library Functions Manual WCTYPE(3)NAME
wctype — get character class identifier by name
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <wctype.h>
wctype_t
wctype(const char *charclass);
DESCRIPTION
The wctype() function returns a character class identifier corresponding
to the locale-specific character class name charclass. This identifier
can be used in subsequent calls of iswctype(). The following names are
defined in all locales:
alnum alpha blank cntrl digit graph
lower print punct space upper xdigit
The behaviour of wctype() is affected by the LC_CTYPE category of the
current locale.
RETURN VALUESwctype() returns:
0 If charclass does not correspond to a valid character class
name.
non-zero A character class identifier corresponding to charclass.
Note: wctype_t is a scalar type, e.g., a pointer.
ERRORS
No errors are defined.
SEE ALSOiswctype(3), setlocale(3), towctrans(3), wctrans(3)STANDARDS
The wctype() function conforms to ISO/IEC 9899/AMD1:1995 (“ISO C90,
Amendment 1”).
BSD March 4, 2003 BSD