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Linux 2.6 - man page for wcsdup (linux section 3)

WCSDUP(3)			    Linux Programmer's Manual				WCSDUP(3)

NAME
       wcsdup - duplicate a wide-character string

SYNOPSIS
       #include <wchar.h>

       wchar_t *wcsdup(const wchar_t *s);

   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
       On success, wcsdup() returns a pointer to the new wide-character  string.   On  error,  it
       returns -1, with errno set to indicate the cause of the error.

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.

SEE ALSO
       strdup(3), wcscpy(3)

COLOPHON
       This page is part of release 3.55 of the Linux man-pages project.  A  description  of  the
       project,     and    information	  about    reporting	bugs,	 can	be    found    at
       http://www.kernel.org/doc/man-pages/.

GNU					    2013-04-19					WCSDUP(3)


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