.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\" must display the following acknowledgement:
-.\" This product includes software developed by the University of
-.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\" SUCH DAMAGE.
.\"
.\" @(#)toupper.3 8.1 (Berkeley) 6/4/93
-.\" $FreeBSD: src/lib/libc/locale/towupper.3,v 1.2 2002/11/29 17:35:09 ru Exp $
+.\" $FreeBSD: src/lib/libc/locale/towupper.3,v 1.3 2007/01/09 00:28:01 imp Exp $
.\"
.Dd October 3, 2002
.Dt TOWUPPER 3
.Os
.Sh NAME
-.Nm towupper
+.Nm towupper ,
+.Nm towupper_l
.Nd "lower case to upper case letter conversion (wide character version)"
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In wctype.h
.Ft wint_t
-.Fn towupper "wint_t wc"
+.Fo towupper
+.Fa "wint_t wc"
+.Fc
+.In wctype.h
+.In xlocale.h
+.Ft wint_t
+.Fo towupper_l
+.Fa "wint_t wc"
+.Fa "locale_t loc"
+.Fc
.Sh DESCRIPTION
The
.Fn towupper
function converts a lower-case letter to the corresponding
upper-case letter.
+.Pp
+Although the
+.Fn towupper
+function uses the current locale, the
+.Fn towupper_l
+function may be passed a locale directly. See
+.Xr xlocale 3
+for more information.
.Sh RETURN VALUES
If the argument is a lower-case letter, the
.Fn towupper
function returns the corresponding upper-case letter if there is
-one; otherwise the argument is returned unchanged.
+one; otherwise, the argument is returned unchanged.
.Sh SEE ALSO
.Xr iswupper 3 ,
.Xr toupper 3 ,
.Xr towlower 3 ,
-.Xr wctrans 3
+.Xr wctrans 3 ,
+.Xr xlocale 3
.Sh STANDARDS
The
.Fn towupper