.\" $OpenBSD: wctype.3,v 1.3 2013/06/05 03:39:22 tedu Exp $
.\" $NetBSD: wctype.3,v 1.4 2003/04/16 13:34:41 wiz Exp $
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.Dd $Mdocdate: June 5 2013 $
.Dt WCTYPE 3
.Os
.\" ----------------------------------------------------------------------
.Sh NAME
.Nm wctype
.Nd get character class identifier by name
.\" ----------------------------------------------------------------------
.Sh SYNOPSIS
.In wctype.h
.Ft wctype_t
.Fn wctype "const char *charclass"
.\" ----------------------------------------------------------------------
.Sh DESCRIPTION
The
.Fn wctype
function returns a character class identifier corresponding to the
locale-specific character class name
.Fa charclass .
This identifier can be used in subsequent calls of
.Fn iswctype .
The following names are defined in all locales:
.Bd -literal -offset indent
alnum alpha blank cntrl digit graph
lower print punct space upper xdigit
.Ed
.Pp
The behaviour of
.Fn wctype
is affected by the
.Dv LC_CTYPE
category of the current locale.
.\" ----------------------------------------------------------------------
.Sh RETURN VALUES
.Fn wcttype
returns:
.Bl -tag -width 012345678901
.It 0
If
.Fa charclass
does not correspond to a valid character class name.
.It non-zero
A character class identifier corresponding to
.Fa charclass .
.El
.Pp
Note: wctype_t is a scalar type, e.g., a pointer.
.\" ----------------------------------------------------------------------
.Sh ERRORS
No errors are defined.
.\" ----------------------------------------------------------------------
.Sh SEE ALSO
.Xr iswctype 3 ,
.Xr setlocale 3 ,
.Xr towctrans 3 ,
.Xr wctrans 3
.\" ----------------------------------------------------------------------
.Sh STANDARDS
The
.Fn wctype
function conforms to
.\" .St -isoC-amd1 .
ISO/IEC 9899/AMD1:1995
.Pq Sq ISO C90, Amendment 1 .