/*
 * Libraries and headers for PDC release 3.3 (C) 1989 Lionel Hummel.
 * PDC Software Distribution (C) 1989 Lionel Hummel and Paul Petersen.
 * PDC I/O Library (C) 1987 by J.A. Lydiatt.
 *
 * This code is freely redistributable upon the conditions that this
 * notice remains intact and that modified versions of this file not
 * be included as part of the PDC Software Distribution without the
 * express consent of the copyright holders.  No warrantee of any
 * kind is provided with this code.  For further information, contact:
 *
 *  PDC Software Distribution    Internet:                     BIX:
 *  P.O. Box 4006             or hummel@cs.uiuc.edu            lhummel
 *  Urbana, IL  61801-8801       petersen@uicsrd.csrd.uiuc.edu
 */

/* modified - was fclose.c - ryb */

/*  fflush.c
 *
 */

#include <stdio.h>


int
fflush (FILE *fp)
{
  int rv;

  if (fp != NULL)
    rv = _doflush (fp, EOF);
  else
    {
      rv = 0;
      for (fp = (FILE *) _fdevtab; fp != NULL; fp = fp->next)
	if ((fp->_fileflag & _FILEISDIRTY) && _doflush (fp, EOF) != 0)
	  rv = EOF;
    }
  return rv;
}