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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
<<ferror>>---test whether read/write error has occurred
 
INDEX
	ferror
 
ANSI_SYNOPSIS
	#include <stdio.h>
	int ferror(FILE *<[fp]>);
 
TRAD_SYNOPSIS
	#include <stdio.h>
	int ferror(<[fp]>)
	FILE *<[fp]>;
 
DESCRIPTION
The <<stdio>> functions maintain an error indicator with each file
pointer <[fp]>, to record whether any read or write errors have
occurred on the associated file or stream.
Use <<ferror>> to query this indicator.
 
See <<clearerr>> to reset the error indicator.
 
RETURNS
<<ferror>> returns <<0>> if no errors have occurred; it returns a
nonzero value otherwise.
 
PORTABILITY
ANSI C requires <<ferror>>.
 
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>
 
/* A subroutine version of the macro ferror.  */
 
#undef ferror
 
int
_DEFUN (ferror, (fp),
	FILE * fp)
{
  return __sferror (fp);
}