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+.\" Copyright (c) 1990, 1991 The Regents of the University of California.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" Chris Torek and the American National Standards Committee X3,
+.\" on Information Processing Systems.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 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. 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     $OpenBSD: wcscat.3,v 1.1 2011/07/09 16:32:11 nicm Exp $
+.\"
+.Dd $Mdocdate: July 9 2011 $
+.Dt WCSCAT 3
+.Os
+.Sh NAME
+.Nm wcscat ,
+.Nm wcsncat
+.Nd concatenate wide strings
+.Sh SYNOPSIS
+.Fd #include <wchar.h>
+.Ft wchar_t *
+.Fn wcscat "wchar_t * restrict s" "const wchar_t * restrict append"
+.Ft wchar_t *
+.Fo strncat
+.Fa "wchar_t * restrict s"
+.Fa "const wchar_t * restrict append"
+.Fa "size_t count"
+.Fc
+.Sh DESCRIPTION
+The
+.Fn wcscat
+and
+.Fn wcsncat
+functions append a copy of the wide string
+.Fa append
+to the end of the wide string
+.Fa s ,
+then add a terminating null wide character (L'\e0').
+The wide string
+.Fa s
+must have sufficient space to hold the result.
+.Pp
+The
+.Fn wcsncat
+function appends not more than
+.Fa count
+wide characters where space for the terminating null wide character
+should not be included in
+.Fa count .
+.Sh RETURN VALUES
+The
+.Fn wcscat
+and
+.Fn wcsncat
+functions return the pointer
+.Fa s .
+.Sh SEE ALSO
+.Xr wcscpy 3 ,
+.Xr wcslcat 3 ,
+.Xr wcslcpy 3 ,
+.Xr wmemcpy 3 ,
+.Xr wmemmove 3
+.Sh STANDARDS
+The
+.Fn wcscat
+and
+.Fn wcsncat
+functions conform to
+.St -isoC-99
+and were first introduced in
+.St -isoC-amd1 .