mirror of https://github.com/mkerrisk/man-pages
56 lines
1.5 KiB
Groff
56 lines
1.5 KiB
Groff
.\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
|
|
.\"
|
|
.\" This is free documentation; you can redistribute it and/or
|
|
.\" modify it under the terms of the GNU General Public License as
|
|
.\" published by the Free Software Foundation; either version 2 of
|
|
.\" the License, or (at your option) any later version.
|
|
.\"
|
|
.\" References consulted:
|
|
.\" GNU glibc-2 source code and manual
|
|
.\" Dinkumware C library reference http://www.dinkumware.com/
|
|
.\" OpenGroup's Single Unix specification http://www.UNIX-systems.org/online.html
|
|
.\"
|
|
.TH WCSDUP 3 2003-11-01 "GNU" "Linux Programmer's Manual"
|
|
.SH NAME
|
|
wcsdup \- duplicate a wide-character string
|
|
.SH SYNOPSIS
|
|
.nf
|
|
.B #define _GNU_SOURCE
|
|
.br
|
|
.B #include <wchar.h>
|
|
.sp
|
|
.BI "wchar_t *wcsdup(const wchar_t *" s );
|
|
.fi
|
|
.SH DESCRIPTION
|
|
The
|
|
.BR wcsdup ()
|
|
function is the wide-character equivalent
|
|
of the
|
|
.BR strdup (3)
|
|
function.
|
|
It allocates and returns a new wide-character string whose initial
|
|
contents is a duplicate of the wide-character string pointed to by \fIs\fP.
|
|
.PP
|
|
Memory for the new wide-character string is
|
|
obtained with
|
|
.BR malloc (3),
|
|
and should be freed with
|
|
.BR free (3).
|
|
.SH "RETURN VALUE"
|
|
The
|
|
.BR wcsdup ()
|
|
function returns a pointer
|
|
to the new wide-character string,
|
|
or NULL if sufficient memory was not available.
|
|
.SH ERRORS
|
|
.TP
|
|
.B ENOMEM
|
|
Insufficient memory available to allocate duplicate string.
|
|
.SH "CONFORMING TO"
|
|
This function is a GNU extension.
|
|
.\" present in libc5 and glibc 2.0 and later
|
|
.SH "SEE ALSO"
|
|
.BR strdup (3),
|
|
.BR wcscpy (3),
|
|
.BR feature_test_macros (7)
|