/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
*    governing rights and limitations under the License.
*
*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


/* fcbblock.c */
void GiveBackBlock( long, char * );
bool GetNewBlock( long *, char *, int );
int MakeWriteBlock( fcb * );

/* fcbdisk.c */
int SwapToMemoryFromDisk( fcb * );
int SwapToDisk( fcb * );
void GiveBackSwapBlock( long );
void SwapFileClose( void );
void SwapBlockInit( int );

/* fcbems.c */
int EMSBlockTest( unsigned short );
void EMSBlockRead( long, void *, unsigned );
void EMSBlockWrite( long , void *, unsigned );
int EMSGetBlock( long * );
int SwapToEMSMemory( fcb * );
int SwapToMemoryFromEMSMemory( fcb * );
void EMSInit( void );
void EMSFini( void );
void GiveBackEMSBlock( long );
void EMSBlockInit( int );

/* fcbswap.c */
void SwapFcb( fcb * );
int RestoreToNormalMemory( fcb *, int );

/* fcbxmem.c */
int SwapToExtendedMemory( fcb * );
int SwapToMemoryFromExtendedMemory( fcb * );
void XMemInit( void );
void XMemFini( void );
void GiveBackXMemBlock( long );

/* fcbxms.c */
int XMSBlockTest( unsigned short );
void XMSBlockRead( long, void *, unsigned );
void XMSBlockWrite( long , void *, unsigned );
int XMSGetBlock( long * );
int SwapToXMSMemory( fcb * );
int SwapToMemoryFromXMSMemory( fcb * );
void XMSInit( void );
void XMSFini( void );
void GiveBackXMSBlock( long );
void XMSBlockInit( int );
