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-.\"     $OpenBSD: wcsdup.3,v 1.4 2011/07/25 00:38:53 schwarze Exp $
-.\"     $NetBSD: wcsdup.3,v 1.3 2010/12/16 17:42:28 wiz Exp $
-.\"
-.\" Copyright (c) 1990, 1991, 1993
-.\"     The Regents of the University of California.  All rights reserved.
-.\"
-.\" 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.
-.\"
-.\"     @(#)strdup.3    8.1 (Berkeley) 6/9/93
-.\"
-.Dd $Mdocdate: July 25 2011 $
-.Dt WCSDUP 3
-.Os
-.Sh NAME
-.Nm wcsdup
-.Nd save a copy of a wide string
-.Sh SYNOPSIS
-.In wchar.h
-.Ft wchar_t *
-.Fn wcsdup "const wchar_t *str"
-.Sh DESCRIPTION
-The
-.Fn wcsdup
-function
-allocates sufficient memory for a copy
-of the wide-character string
-.Fa str ,
-does the copy, and returns a pointer to it.
-The pointer may subsequently be used as an
-argument to the function
-.Xr free 3 .
-.Pp
-If insufficient memory is available,
-.Dv NULL
-is returned.
-.Sh EXAMPLES
-The following will point
-.Va p
-to an allocated area of memory containing the nul-terminated string
-.Qq foobar :
-.Bd -literal -offset indent
-const char      *o = "foobar";
-wchar_t         *p, b[32];
-size_t           blen;
-
-blen = sizeof(b) / sizeof(b[0]);
-if (mbstowcs(b, o, blen) == (size_t)-1)
-        err(1, NULL);
-b[blen - 1] = 0;
-if ((p = wcsdup(b)) == NULL)
-        err(1, NULL);
-.Ed
-.Sh ERRORS
-The
-.Fn wcsdup
-function may fail and set the external variable
-.Va errno
-for any of the errors specified for the library function
-.Xr malloc 3 .
-.Sh SEE ALSO
-.Xr free 3 ,
-.Xr malloc 3 ,
-.Xr strdup 3
-.Sh STANDARDS
-The
-.Fn wcsdup
-function conforms to
-.St -p1003.1-2008 .
-.Sh HISTORY
-The
-.Fn wcsdup
-function was ported from
-.Nx
-and first appeared in
-.Ox 5.0 .