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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
<<rewind>>---reinitialize a file or stream
 
INDEX
	rewind
 
ANSI_SYNOPSIS
	#include <stdio.h>
	void rewind(FILE *<[fp]>);
 
TRAD_SYNOPSIS
	#include <stdio.h>
	void rewind(<[fp]>)
	FILE *<[fp]>;
 
DESCRIPTION
<<rewind>> returns the file position indicator (if any) for the file
or stream identified by <[fp]> to the beginning of the file.  It also
clears any error indicator and flushes any pending output.
 
RETURNS
<<rewind>> does not return a result.
 
PORTABILITY
ANSI C requires <<rewind>>.
 
No supporting OS subroutines are required.
*/
 
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "%W% (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */
 
#include <stdio.h>
 
void
_DEFUN (rewind, (fp),
	register FILE * fp)
{
	(void) fseek(fp, 0L, SEEK_SET);
	clearerr(fp);
}