/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
*          Copyright (c) 2020-2021 Contributors to ksh 93u+m           *
*                      and is licensed under the                       *
*                 Eclipse Public License, Version 1.0                  *
*                    by AT&T Intellectual Property                     *
*                                                                      *
*                A copy of the License is available at                 *
*          http://www.eclipse.org/org/documents/epl-v10.html           *
*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Phong Vo <kpv@research.att.com>                    *
*                                                                      *
***********************************************************************/
#ifndef _SFIO_S_H
#define _SFIO_S_H	1

/*
 * sfio file structure used by sfio and the stdio source compatibility library
 */

#if !defined(_SFHDR_H) && defined(_SFIO_H) && SFIO_VERSION < 20020214L
#define	_data		data
#define	_endb		endb
#define	_next		next
#endif

struct _sfio_s
{	unsigned char*	_next;	/* next position to read/write from	*/
	unsigned char*	_endw;	/* end of write buffer			*/
	unsigned char*	_endr;	/* end of read buffer			*/
	unsigned char*	_endb;	/* end of buffer			*/
	struct _sfio_s*	_push;	/* the stream that was pushed on	*/
	unsigned short	_flags;	/* type of stream			*/
	short		_file;	/* file descriptor			*/
	unsigned char*	_data;	/* base of data buffer			*/
	ssize_t		_size;	/* buffer size				*/
	ssize_t		_val;	/* values or string lengths		*/
#ifdef _SFIO_PRIVATE
	_SFIO_PRIVATE
#endif
};

#endif
