wcsdup(3) — Linux manual pages

Linux manual pages	Section 3

Name

wcsdup — duplicate a wide-character string

Synopsis

#include <wchar.h>

wchar_t *wcsdup( const wchar_t *s);

Note

Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
`wcsdup`():
Since glibc 2.10:
`_XOPEN_SOURCE` >= 700 \|\| `_POSIX_C_SOURCE` >= 200809L
Before glibc 2.10:
`_GNU_SOURCE`

DESCRIPTION

The wcsdup() function is the wide-character equivalent of the 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 s.

Memory for the new wide-character string is obtained with malloc(3), and should be freed with free(3).

RETURN VALUE

The wcsdup() function returns a pointer to the new wide-character string, or NULL if sufficient memory was not available.

ERRORS

ENOMEM: Insufficient memory available to allocate duplicate string.

CONFORMING TO

POSIX.1-2008. This function is not specified in POSIX.1-2001, and is not widely available on other systems.

COLOPHON

This page is part of release 3.33 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://man7.org/linux/man-pages/.

  Copyright (c) Bruno Haible <haibleclisp.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