#ifndef	h_SEQFILE
#define	h_SEQFILE
/******************************************************************************
*
*	SEQuential FILE definition
*
*	Module	%M%	Version	%I% 	Date	%H%
*
*	(c) Copyright 1998 Ardent Software Inc. - All Rights Reserved
*	This is unpublished proprietary source code of Ardent Software Inc.
*	The copyright notice above does not evidence any actual or intented
*	publication of such source code.
*
*******************************************************************************
*
*	Maintenence log - insert most recent change descriptions at top
*
*	Date.... GTAR# WHO Description.........................................
*	10/14/98 23801 SAP Change copyrights. 
*       06/25/96 18400 DJD Added device support for NT.
*	12/14/95 17705 PGW Added flags for MS-Win async device handling
*	01/16/95 15741 EAP Added NLS map info to SEQFILE structure
*	09/27/94 14961 DTM Added GETread for BASIC GET/GETX statements
*	03/08/94 12296 JSW Added line count for FILEINFO().
*	07/25/88   -    -  Maintenence log purged at 5.2.1, see release 5.1.10.
*
*****************************************************************************/

#include	"MFILE.h"
#include	"NLS.h"

#define	SEQ_CLOSED	0
#define	SEQ_CREAT	1
#define	SEQ_READ	2
#define	SEQ_WRITE	3
#define	SEQ_RESET	4

typedef	struct
{
	MFILE	mf;
	int	mode;
	char	*dirname;
	char	*filname;
	char	*path;
	STRING	lock;
	int	timeout;
	int 	line_count;
	char	*vocname;
	char	*mapname;		/* NLS mapname */
	CMAP	*ipmap;			/* NLS Mapping table for READ */
	CMAP	*opmap;			/* NLS Mapping table for WRITE */
#ifdef MSWIN
	BITMAP	unbuffered:1,	/* NOBUF has set unbuffered I/O for file */
		overlapio:1;	/* Using overlapped I/O for this file	*/
	int	device_flag;	/* flag to say whether a file or device */
	HANDLE	Dev_Handle;	/* device handle */
	int	blocksize;	/* block size for the device */
	DWORD	filemark;	/* file mark */
	STRING	pathname;	/* tape pathname */
	STRING	type;		/* device type */
#endif
}	SEQFILE;


EXTERN	int	SEQcreate(),
	SEQflush(),
	SEQmode(),
	SEQnobuf(),
	SEQseek(),
	SEQttyctl(),
	SEQwblk(),
	SEQweof(),
	SEQwrite();

EXTERN	STRING	SEQrblk(), DBsinfo(),
	SEQread(),
	GETread(),
	SEQstatus();

EXTERN	void	SEQclose();

#endif	/* end of SEQFILE.h */