.\" $OpenBSD: wctrans.3,v 1.1 2005/07/01 08:59:27 espie Exp $
.\"
.\" $NetBSD: wctrans.3,v 1.4 2004/01/24 16:58:54 wiz Exp $
.\"
.\" Copyright (c)2003 Citrus Project,
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.Dd March 4, 2003
.Dt WCTRANS 3
.Os
.\" ----------------------------------------------------------------------
.Sh NAME
.Nm wctrans
.Nd get character mapping identifier by name
.\" ----------------------------------------------------------------------
.Sh SYNOPSIS
.In wctype.h
.Ft wctrans_t
.Fn wctrans "const char *charmap"
.\" ----------------------------------------------------------------------
.Sh DESCRIPTION
The
.Fn wctrans
function returns a character mapping identifier corresponding to the
locale-specific character mapping name
.Fa charmap .
This identifier can be used on the subsequent calls of
.Fn towctrans .
The following names are defined in all locales:
.Bd -literal -offset indent
tolower toupper
.Ed
.Pp
The behaviour of
.Fn wctrans
is affected by the
.Dv LC_CTYPE
category of the current locale.
.\" ----------------------------------------------------------------------
.Sh RETURN VALUES
.Fn wctrans
returns:
.Bl -tag -width 012345678901
.It 0
If the string
.Fa charmap
does not corresponding to a valid character mapping name.
.It non-zero
A character mapping identifier corresponding to
.Fa charmap .
.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 wctype 3
.\" ----------------------------------------------------------------------
.Sh STANDARDS
The
.Fn towctrans
function conforms to
.St -isoC-amd1 .