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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [stdio/] [rename.c] - Rev 207

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/*
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */
 
/*
FUNCTION
<<rename>>---rename a file
 
INDEX
	rename
 
ANSI_SYNOPSIS
	#include <stdio.h>
	int rename(const char *<[old]>, const char *<[new]>);
 
TRAD_SYNOPSIS
	#include <stdio.h>
	int rename(<[old]>, <[new]>)
	char *<[old]>;
	char *<[new]>;
 
DESCRIPTION
Use <<rename>> to establish a new name (the string at <[new]>) for a
file now known by the string at <[old]>.  After a successful
<<rename>>, the file is no longer accessible by the string at <[old]>.
 
If <<rename>> fails, the file named <<*<[old]>>> is unaffected.  The
conditions for failure depend on the host operating system.
 
RETURNS
The result is either <<0>> (when successful) or <<-1>> (when the file
could not be renamed).
 
PORTABILITY
ANSI C requires <<rename>>, but only specifies that the result on
failure be nonzero.  The effects of using the name of an existing file
as <<*<[new]>>> may vary from one implementation to another.
 
Supporting OS subroutines required: <<link>>, <<unlink>>, or <<rename>>.
*/
 
#include <_ansi.h>
#include <reent.h>
#include <stdio.h>
#include <sys/unistd.h>
 
#ifndef _REENT_ONLY
 
int
_DEFUN(rename, (old, new),
       _CONST char *old _AND
       _CONST char *new)
{
  return _rename_r (_REENT, old, new);
}
 
#endif
 

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