/* FWALK.C

 * 

 * Portions Copyright (c) 1990-1999 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 */

/* No user fns here.  Pesch 15apr92. */

/*

 * 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.

 */

#include <stdio_r.h>

#include <stdlib_r.h>

#include <errno.h>

#include "LOCAL.H"

int

_fwalk (struct _reent *ptr, register int (*function) (FILE *))

{

  register FILE *fp;

  register int n, ret = 0;

  register struct _glue *g;

  for (g = &ptr->__sglue; g != NULL; g = g->_next)

    for (fp = g->_iobs, n = g->_niobs; --n >= 0; fp++)

      if (fp->_flags != 0)

	ret |= (*function) (fp);

  return ret;

}