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3 files changed, 295 insertions, 157 deletions

diff --git a/Programmer/iff.h b/Programmer/iff.h
index d62bc05..2725b15 100644
--- a/Programmer/iff.h
+++ b/Programmer/iff.h
@@ -2,13 +2,13 @@
 #define LIBRARIES_IFF_H
 /*
 **
-**	$Id: $
-**	$Revision: $
+**	$Id: iff.h,v 1.1 92/05/12 22:54:06 chris Exp $
+**	$Revision: 1.1 $
 **
 **	$Filename: iff.h $
-**	$Author: Christian A. Weber $
+**	$Author: chris $
 **	$Release: 19.1 $
-**	$Date: 90/10/09 22:32:54 $
+**	$Date: 92/05/12 22:54:06 $
 **
 **	Standard header file for programs using iff.library
 **
@@ -23,96 +23,121 @@
 #endif
 
 #define IFFNAME "iff.library"
-#define IFFVERSION 19L              /* Current library version */
+#define IFFVERSION 21L					/* Current library version */
 
-typedef void *IFFFILE;              /* The IFF 'FileHandle' structure */
-
-
-/************** FUNCTION DECLARATIONS ***********************************/
+/****************************************************************************
+**	Error codes (returned by IFFL_IFFError())
+*/
 
-#ifdef AZTEC_C
-#define __ARGS(a) ()	/* Remove this for Aztec C V5.x */
-#define NO_PRAGMAS
-#else
-#define __ARGS(a) a
+#define IFFL_ERROR_BADTASK			-1	/* IFFL_IFFError() called by wrong task */
+#define IFFL_ERROR_OPEN				16	/* Can't open file */
+#define IFFL_ERROR_READ				17	/* Error reading file */
+#define IFFL_ERROR_NOMEM			18	/* Not enough memory */
+#define IFFL_ERROR_NOTIFF			19	/* File is not an IFF file */
+#define IFFL_ERROR_WRITE			20	/* Error writing file */
+#define IFFL_ERROR_NOILBM			24	/* IFF file is not of type ILBM */
+#define IFFL_ERROR_NOBMHD			25	/* BMHD chunk not found */
+#define IFFL_ERROR_NOBODY			26	/* BODY chunk not found */
+#define IFFL_ERROR_BADCOMPRESSION	28	/* Unknown compression type */
+#define IFFL_ERROR_NOANHD			29	/* ANHD chunk not found */
+#define IFFL_ERROR_NODLTA			30	/* DLTA chunk not found */
+
+#ifdef IFFLIB_PRE21NAMES
+#define IFF_BADTASK -1
+#define IFF_CANTOPENFILE 16
+#define IFF_READERROR 17
+#define IFF_NOMEM 18
+#define IFF_NOTIFF 19
+#define IFF_WRITEERROR 20
+#define IFF_NOILBM 24
+#define IFF_NOBMHD 25
+#define IFF_NOBODY 26
+#define IFF_TOOMANYPLANES 27
+#define IFF_UNKNOWNCOMPRESSION 28
+#define IFF_NOANHD 29
+#define IFF_NODLTA 30
 #endif
 
-IFFFILE	OpenIFF      __ARGS((char *));
-void    CloseIFF     __ARGS((IFFFILE));
-void   *FindChunk    __ARGS((IFFFILE,LONG));
-struct BitMapHeader *GetBMHD __ARGS((IFFFILE));
-LONG    GetColorTab  __ARGS((IFFFILE,WORD *));
-BOOL    DecodePic    __ARGS((IFFFILE,struct BitMap *));
-BOOL    SaveBitMap   __ARGS((char *,struct BitMap *,WORD *,LONG));
-BOOL    SaveClip     __ARGS((char *,struct BitMap *,WORD *,LONG,LONG,LONG,LONG,LONG));
-LONG    IFFError     __ARGS((void));
-ULONG   GetViewModes __ARGS((IFFFILE));                 /* ULONG since V18.1 */
-APTR    NewOpenIFF   __ARGS((char *,LONG));             /* Since V16.1 */
-BOOL    ModifyFrame  __ARGS((void *,struct BitMap *));  /* Since V18.1 */
-IFFFILE	PPOpenIFF    __ARGS((char *,char *));
-
 
-/************** ERROR-CODES *********************************************/
+/****************************************************************************
+**	Common IFF IDs
+*/
 
-#define IFF_BADTASK -1              /* IFFError() called by wrong task */
+#define IFFL_MAKE_ID(a,b,c,d) ((ULONG)(a)<<24L|(ULONG)(b)<<16L|(c)<<8|(d))
 
-#define IFF_CANTOPENFILE 16         /* File not found */
-#define IFF_READERROR 17            /* Error reading file */
-#define IFF_NOMEM 18                /* Not enough memory */
-#define IFF_NOTIFF 19               /* File is not an IFF file */
-#define IFF_WRITEERROR 20           /* Error writing file */
+/*
+**	Generic IFF IDs
+*/
+#ifndef ID_FORM		/* don't redefine these if iffparse.h is included */
+#define ID_FORM IFFL_MAKE_ID('F','O','R','M')
+#define ID_CAT  IFFL_MAKE_ID('C','A','T',' ')
+#define ID_LIST IFFL_MAKE_ID('L','I','S','T')
+#define ID_PROP IFFL_MAKE_ID('P','R','O','P')
+#endif
 
-#define IFF_NOILBM 24               /* IFF file is not of type ILBM */
-#define IFF_NOBMHD 25               /* BMHD chunk not found */
-#define IFF_NOBODY 26               /* BODY chunk not found */
-#define IFF_TOOMANYPLANES 27        /* Obsolete since V18.6 */
-#define IFF_UNKNOWNCOMPRESSION 28   /* Unknown compression type */
+/*
+**	Specific IFF IDs
+*/
+#define ID_ANIM IFFL_MAKE_ID('A','N','I','M')
+#define ID_ANHD IFFL_MAKE_ID('A','N','H','D')
+#define ID_BMHD IFFL_MAKE_ID('B','M','H','D')
+#define ID_BODY IFFL_MAKE_ID('B','O','D','Y')
+#define ID_CAMG IFFL_MAKE_ID('C','A','M','G')
+#define ID_CLUT IFFL_MAKE_ID('C','L','U','T')
+#define ID_CMAP IFFL_MAKE_ID('C','M','A','P')
+#define ID_CRNG IFFL_MAKE_ID('C','R','N','G')
+#define ID_CTBL IFFL_MAKE_ID('C','T','B','L')
+#define ID_DLTA IFFL_MAKE_ID('D','L','T','A')
+#define ID_ILBM IFFL_MAKE_ID('I','L','B','M')
+#define ID_SHAM IFFL_MAKE_ID('S','H','A','M')
+
+#define ID_8SVX IFFL_MAKE_ID('8','S','V','X')
+#define ID_ATAK IFFL_MAKE_ID('A','T','A','K')
+#define ID_NAME IFFL_MAKE_ID('N','A','M','E')
+#define ID_RLSE IFFL_MAKE_ID('R','L','S','E')
+#define ID_VHDR IFFL_MAKE_ID('V','H','D','R')
+
+#ifdef IFFLIB_PRE21NAMES
+#define MakeID(a,b,c,d) ((ULONG)(a)<<24L|(ULONG)(b)<<16L|(c)<<8|(d))
+#endif
 
-#define IFF_NOANHD 29               /* ANHD chunk not found (since V18.1) */
-#define IFF_NODLTA 30               /* DLTA chunk not found (since V18.1) */
 
+/****************************************************************************
+**	Modes for IFFL_OpenIFF()
+*/
 
-/************** COMMON IFF IDs ******************************************/
+#define IFFL_MODE_READ	0
+#define IFFL_MODE_WRITE	1
 
-#define MakeID(a,b,c,d) ((ULONG)(a)<<24L|(ULONG)(b)<<16L|(c)<<8|(d))
 
-/* List of the most useful IDs, NOT complete, to be continued */
+/****************************************************************************
+**	Structure definitions
+*/
 
-#define ID_FORM MakeID('F','O','R','M')
-#define ID_PROP MakeID('P','R','O','P')
-#define ID_LIST MakeID('L','I','S','T')
-#define ID_CAT  MakeID('C','A','T',' ')
+#ifdef _IFFLIB
 
-#define ID_ANIM MakeID('A','N','I','M')
-#define ID_ANHD MakeID('A','N','H','D')
-#define ID_BMHD MakeID('B','M','H','D')
-#define ID_BODY MakeID('B','O','D','Y')
-#define ID_CAMG MakeID('C','A','M','G')
-#define ID_CLUT MakeID('C','L','U','T')
-#define ID_CMAP MakeID('C','M','A','P')
-#define ID_CRNG MakeID('C','R','N','G')
-#define ID_CTBL MakeID('C','T','B','L')
-#define ID_DLTA MakeID('D','L','T','A')
-#define ID_ILBM MakeID('I','L','B','M')
-#define ID_SHAM MakeID('S','H','A','M')
+typedef struct
+{
+	BPTR	File;			/* DOS file handle */
+	LONG	FormSize;		/* Größe des gesamten FORM */
+	LONG	ChunkSize;		/* Größe des aktuellen Chunks */
+	LONG	ChunkFPos;		/* Position im File wo dieser Chunk beginnt */
+} *IFFL_HANDLE;
 
-#define ID_8SVX MakeID('8','S','V','X')
-#define ID_ATAK MakeID('A','T','A','K')
-#define ID_NAME MakeID('N','A','M','E')
-#define ID_RLSE MakeID('R','L','S','E')
-#define ID_VHDR MakeID('V','H','D','R')
+#else
 
+typedef void *IFFL_HANDLE;	/* The IFF 'FileHandle' structure */
 
-/************** STRUCTURES **********************************************/
+#endif
 
-struct Chunk			/* Generic IFF chunk structure */
+struct IFFL_Chunk			/* Generic IFF chunk structure */
 {
 	LONG  ckID;
 	LONG  ckSize;
 /*  UBYTE ckData[ckSize] (variable sized data) */
 };
 
-struct BitMapHeader		/* BMHD chunk for ILBM files */
+struct IFFL_BMHD			/* BMHD chunk for ILBM files */
 {
 	UWORD w,h;
 	WORD  x,y;
@@ -125,7 +150,7 @@ struct BitMapHeader		/* BMHD chunk for ILBM files */
 	WORD  pageWidth,pageHeight;
 };
 
-struct AnimHeader		/* ANHD chunk for ANIM files */
+struct IFFL_ANHD			/* ANHD chunk for ANIM files */
 {
 	UBYTE	Operation;
 	UBYTE	Mask;
@@ -142,9 +167,50 @@ struct AnimHeader		/* ANHD chunk for ANIM files */
 };
 
 
-/************** PRAGMAS FOR LATTICE C V5.x ******************************/
+/****************************************************************************
+**	IFF library function prototypes (ANSI)
+*/
+
+void				 IFFL_CloseIFF        ( IFFL_HANDLE );
+BOOL				 IFFL_DecodePic       ( IFFL_HANDLE, struct BitMap * );
+void				*IFFL_FindChunk       ( IFFL_HANDLE, LONG );
+struct BitMapHeader	*IFFL_GetBMHD         ( IFFL_HANDLE );
+LONG				 IFFL_GetColorTab     ( IFFL_HANDLE, WORD * );
+ULONG				 IFFL_GetViewModes    ( IFFL_HANDLE );
+LONG				 IFFL_IFFError        ( void );
+BOOL				 IFFL_ModifyFrame     ( void *, struct BitMap * );
+APTR				 IFFL_NewOpenIFF      ( char *, LONG );
+IFFL_HANDLE			 IFFL_OpenIFF         ( char * );
+LONG				 IFFL_PopChunk        ( IFFL_HANDLE );
+IFFL_HANDLE			 IFFL_PPOpenIFF       ( char *, char * );
+LONG				 IFFL_PushChunk       ( IFFL_HANDLE, ULONG, ULONG );
+BOOL				 IFFL_SaveBitMap      ( char *, struct BitMap *, WORD *, LONG );
+BOOL				 IFFL_SaveClip        ( char *, struct BitMap *, WORD *, LONG,
+														LONG, LONG, LONG, LONG );
+LONG				 IFFL_WriteChunkBytes ( IFFL_HANDLE, void *, LONG );
+
+
+#ifdef IFFLIB_PRE21NAMES
+IFFL_HANDLE	OpenIFF(char *);
+void CloseIFF(IFFL_HANDLE);
+void *FindChunk(IFFL_HANDLE,LONG);
+struct BitMapHeader *GetBMHD(IFFL_HANDLE);
+LONG GetColorTab(IFFL_HANDLE,WORD *);
+BOOL DecodePic(IFFL_HANDLE,struct BitMap *);
+BOOL SaveBitMap(char *,struct BitMap *,WORD *,LONG);
+BOOL SaveClip(char *,struct BitMap *,WORD *,LONG,LONG,LONG,LONG,LONG);
+LONG IFFError(void);
+ULONG GetViewModes(IFFL_HANDLE);
+APTR NewOpenIFF(char *,LONG);
+BOOL ModifyFrame(void *,struct BitMap *);
+IFFL_HANDLE	PPOpenIFF(char *,char *);
+#endif
+
 
-/* Pragmas generated with: 'fd2pragma iff_lib.fd iffpragmas.h' */
+/****************************************************************************
+**	Pragmas for Lattice C V5.x
+**	(generated with: 'fd2pragma iff_lib.fd iffpragmas.h')
+*/
 
 #ifndef NO_PRAGMAS
 extern struct Library *IFFBase;
diff --git a/Programmer/iff.i b/Programmer/iff.i
index 4c1bf11..a004d7b 100644
--- a/Programmer/iff.i
+++ b/Programmer/iff.i
@@ -1,13 +1,13 @@
 		IFND	LIBRARIES_IFF_I
 LIBRARIES_IFF_I	SET	1
 **
-**	$Id: $
-**	$Revision: $
+**	$Id: iff.i,v 1.1 92/05/12 22:54:18 chris Exp $
+**	$Revision: 1.1 $
 **
 **	$Filename: iff.i $
-**	$Author: Christian A. Weber $
+**	$Author: chris $
 **	$Release: 19.1 $
-**	$Date: 90/10/09 22:32:54 $
+**	$Date: 92/05/12 22:54:18 $
 **
 **	Standard header file for programs using iff.library
 **
@@ -18,77 +18,135 @@ LIBRARIES_IFF_I	SET	1
 
 		XREF	_IFFBase
 
-IFFVERSION:	EQU	19		; Use this for the OpenLibrary() call
+IFFNAME		MACRO
+		dc.b	'iff.library',0
+		ENDM
+
+IFFVERSION:	EQU	21		; Current library version
+
+
+*****************************************************************************
+**	Error codes (returned by IFFL_IFFError())
+
+IFFL_ERROR_BADTASK	EQU	-1	; IFFL_IFFError() called by wrong task
+IFFL_ERROR_OPEN		EQU	16	; Can't open file
+IFFL_ERROR_READ		EQU	17	; Error reading file
+IFFL_ERROR_NOMEM	EQU	18	; Not enough memory
+IFFL_ERROR_NOTIFF	EQU	19	; File is not an IFF file
+IFFL_ERROR_WRITE	EQU	20	; Error writing file
+IFFL_ERROR_NOILBM	EQU	24	; IFF file is not of type ILBM
+IFFL_ERROR_NOBMHD	EQU	25	; BMHD chunk not found
+IFFL_ERROR_NOBODY	EQU	26	; BODY chunk not found
+IFFL_ERROR_BADCOMPRESSION EQU	28	; Unknown compression type
+IFFL_ERROR_NOANHD	EQU	29	; ANHD chunk not found
+IFFL_ERROR_NODLTA	EQU	30	; DLTA chunk not found
+
+		IFD	IFFLIB_PRE21NAMES
+IFF_BADTASK		EQU	-1
+IFF_CANTOPENFILE	EQU	16
+IFF_READERROR		EQU	17
+IFF_NOMEM		EQU	18
+IFF_NOTIFF		EQU	19
+IFF_WRITEERROR		EQU	20
+IFF_NOILBM		EQU	24
+IFF_NOBMHD		EQU	25
+IFF_NOBODY		EQU	26
+IFF_TOOMANYPLANES	EQU	27
+IFF_UNKNOWNCOMPRESSION	EQU	28
+IFF_NOANHD		EQU	29
+IFF_NODLTA		EQU	30
+		ENDC
+
+
+*****************************************************************************
+**	Common IFF IDs
+
+**	Generic IFF IDs
+
+	IFND	ID_FORM		; don't redefine if iffparse.i is included
+ID_FORM 	EQU	'FORM'
+ID_CAT  	EQU	'CAT '
+ID_LIST 	EQU	'LIST'
+ID_PROP 	EQU	'PROP'
+	ENDC
 
-IFF:	      MACRO
-		movea.l	_IFFBase,a6
-		jsr	\1(a6)
-	      ENDM
+**	Specific IFF IDs
+
+ID_ANIM 	EQU	'ANIM'
+ID_ANHD 	EQU	'ANHD'
+ID_BMHD 	EQU	'BMHD'
+ID_BODY 	EQU	'BODY'
+ID_CAMG 	EQU	'CAMG'
+ID_CLUT 	EQU	'CLUT'
+ID_CMAP 	EQU	'CMAP'
+ID_CRNG 	EQU	'CRNG'
+ID_CTBL 	EQU	'CTBL'
+ID_DLTA 	EQU	'DLTA'
+ID_ILBM 	EQU	'ILBM'
+ID_SHAM 	EQU	'SHAM'
+
+ID_8SVX 	EQU	'8SVX'
+ID_ATAK 	EQU	'ATAK'
+ID_NAME 	EQU	'NAME'
+ID_RLSE 	EQU	'RLSE'
+ID_VHDR 	EQU	'VHDR'
 
 
 *************** LIBRARY OFFSETS ******************************************
 
-_LVOOpenIFF:	EQU	-30	; (filename)			(A0)
-_LVOCloseIFF:	EQU	-36	; (ifffile)			(A1)
-_LVOFindChunk:	EQU	-42	; (ifffile,chunkname)		(A1,D0)
-_LVOGetBMHD:	EQU	-48	; (ifffile)			(A1)
-_LVOGetColorTab: EQU	-54	; (ifffile,colortable)		(A1/A0)
-_LVODecodePic:	EQU	-60	; (ifffile,bitmap)		(A1/A0)
-_LVOSaveBitMap:	EQU	-66	; (name,bmap,ctab,crmd)		(A0-A2,D0)
-_LVOSaveClip:	EQU	-72	; (name,bmap,ctab,crmd,x,y,w,h)	(A0-A2,D0-D4)
-_LVOIFFError:	EQU	-78	; ()				()
-_LVOGetViewModes: EQU	-84	; (ifffile)			(A1)
-_LVONewOpenIFF:	EQU	-90	; (filename,memtype)		(A0,D0)
-_LVOModifyFrame: EQU	-96	; (modifyform,bitmap)		(A1/A0)
-
-
-*************** ERROR CODES **********************************************
-
-IFF_BADTASK:		EQU	-1	; IffError() called by wrong task
-
-IFF_CANTOPENFILE:	EQU	16	; File not found
-IFF_READERROR:		EQU	17	; Error reading file
-IFF_NOMEM:		EQU	18	; Not enough memory
-IFF_NOTIFF:		EQU	19	; File is not an IFF file
-IFF_WRITEERROR:		EQU	20	; Error writing file
-
-IFF_NOILBM:		EQU	24	; IFF file is not of type ILBM
-IFF_NOBMHD:		EQU	25	; BMHD chunk not found
-IFF_NOBODY:		EQU	26	; BODY chunk not found
-IFF_TOOMANYPLANES:	EQU	27	; Obsolete since V18.6
-IFF_UNKNOWNCOMPRESSION:	EQU	28	; Unknown compression type
-
-IFF_NOANHD:		EQU	29	; ANHD chunk not found (since V18.1)
-IFF_NODLTA:		EQU	30	; DLTA chunk not found (since V18.1)
-
-
-bmh_Width:		EQU	0	; struct BitMapHeader
-bmh_Height:		EQU	$2
-bmh_XPos:		EQU	$4
-bmh_YPos:		EQU	$6
-bmh_nPlanes:		EQU	$8
-bmh_Masking:		EQU	$9
-bmh_Compression:	EQU	$A
-bmh_Pad1:		EQU	$B
-bmh_TranspCol:		EQU	$C
-bmh_XAspect:		EQU	$E
-bmh_YAspect:		EQU	$F
-bmh_PageWidth:		EQU	$10
-bmh_PageHeight:		EQU	$12
-bmh_SIZEOF:		EQU	$14
-
-anh_Operation:		EQU	0	; struct AnimHeader
-anh_Mask:		EQU	$1
-anh_W:			EQU	$2
-anh_H:			EQU	$4
-anh_X:			EQU	$6
-anh_Y:			EQU	$8
-anh_AbsTime:		EQU	$A
-anh_RelTime:		EQU	$E
-anh_Interleave:		EQU	$12
-anh_pad0:		EQU	$13
-anh_Bits:		EQU	$14
-anh_pad:		EQU	$18
-anh_SIZEOF:		EQU	$28
+		IFD	IFFLIB_PRE21NAMES
+_LVOOpenIFF	EQU	-30	; (filename)			(A0)
+_LVOCloseIFF	EQU	-36	; (ifffile)			(A1)
+_LVOFindChunk	EQU	-42	; (ifffile,chunkname)		(A1,D0)
+_LVOGetBMHD	EQU	-48	; (ifffile)			(A1)
+_LVOGetColorTab EQU	-54	; (ifffile,colortable)		(A1/A0)
+_LVODecodePic	EQU	-60	; (ifffile,bitmap)		(A1/A0)
+_LVOSaveBitMap	EQU	-66	; (name,bmap,ctab,crmd)		(A0-A2,D0)
+_LVOSaveClip	EQU	-72	; (name,bmap,ctab,crmd,x,y,w,h)	(A0-A2,D0-D4)
+_LVOIFFError	EQU	-78	; ()				()
+_LVOGetViewModes EQU	-84	; (ifffile)			(A1)
+_LVONewOpenIFF	EQU	-90	; (filename,memtype)		(A0,D0)
+_LVOModifyFrame EQU	-96	; (modifyform,bitmap)		(A1/A0)
+		ENDC
+
+
+*****************************************************************************
+**	Modes for IFFL_OpenIFF()
+
+IFFL_MODE_READ		EQU	0
+IFFL_MODE_WRITE		EQU	1
+
+
+*****************************************************************************
+**	Structure definitions
+
+bmh_Width		EQU	0	; BMHD: struct BitMapHeader
+bmh_Height		EQU	$2
+bmh_XPos		EQU	$4
+bmh_YPos		EQU	$6
+bmh_nPlanes		EQU	$8
+bmh_Masking		EQU	$9
+bmh_Compression		EQU	$A
+bmh_Pad1		EQU	$B
+bmh_TranspCol		EQU	$C
+bmh_XAspect		EQU	$E
+bmh_YAspect		EQU	$F
+bmh_PageWidth		EQU	$10
+bmh_PageHeight		EQU	$12
+bmh_SIZEOF		EQU	$14
+
+anh_Operation		EQU	0	; ANHD: struct AnimHeader
+anh_Mask		EQU	$1
+anh_W			EQU	$2
+anh_H			EQU	$4
+anh_X			EQU	$6
+anh_Y			EQU	$8
+anh_AbsTime		EQU	$A
+anh_RelTime		EQU	$E
+anh_Interleave		EQU	$12
+anh_pad0		EQU	$13
+anh_Bits		EQU	$14
+anh_pad			EQU	$18
+anh_SIZEOF		EQU	$28
 
 		ENDC
diff --git a/Source/IFFLib.i b/Source/IFFLib.i
index 4c0bc8a..111d2a0 100644
--- a/Source/IFFLib.i
+++ b/Source/IFFLib.i
@@ -1,13 +1,13 @@
 **
-**	$Id: $
-**	$Revision: $
+**	$Id: IFFLib.i,v 1.1 92/05/12 22:26:48 chris Exp $
+**	$Revision: 1.1 $
 **
 **	$Filename: IFFLib.i $
-**	$Author: Christian A. Weber $
+**	$Author: chris $
 **	$Release: 19.1 $
-**	$Date: 92/05/11 21:11:27 $
+**	$Date: 92/05/12 22:26:48 $
 **
-**	Include-File für alle Module der IFF-Library
+**	INTERNES Include-File für alle Module der IFF-Library
 **
 **	COPYRIGHT (C) 1987-1992 BY CHRISTIAN A. WEBER, BRUGGERWEG 2,
 **	CH-8037 ZUERICH, SWITZERLAND.  ALL RIGHTS RESERVED.  NO PART
@@ -30,25 +30,39 @@
 		INCLUDE	"dos/dos.i"
 		INCLUDE	"graphics/gfx.i"
 
-		INCLUDE	"h:iff.i"	; Standard IFF include file
+		INCLUDE	"iff.i"			; Standard IFF include file
 
 *****************************************************************************
 
    STRUCTURE IFFBaseStructure,LIB_SIZE
 
-	APTR	ib_SysBase
-	APTR	ib_DOSBase
-	APTR	ib_SegList
-	STRUCT	ib_ErrList,LH_SIZE
+	APTR	iffb_SysBase
+	APTR	iffb_DOSBase
+	APTR	iffb_SegList
+	STRUCT	iffb_ErrList,LH_SIZE
 
-	LABEL	ib_SIZEOF
+	LABEL	iffb_SIZEOF
+
+*****************************************************************************
+
+   STRUCTURE IFFFileHandle,0
+
+	ULONG	ifffh_Magic	; MUSS am Anfang sein
+	BPTR	ifffh_File	; DOS Filehandle
+	LONG	ifffh_FormSize	; Grösse des gesamten FORMs
+	LONG	ifffh_ChunkSize	; Grösse des aktuellen Chunks
+	LONG	ifffh_ChunkFPos	; Position im File wo dieser Chunk beginnt
+
+	LABEL	ifffh_SIZEOF
+
+IFFFH_MAGIC	EQU	$00496648	; 1. Byte MUSS 0 sein
 
 *****************************************************************************
 
    STRUCTURE ErrorNode,LN_SIZE
 
-	APTR	er_Task
-	LONG	er_Error
+	APTR	ifferr_Task
+	LONG	ifferr_Error
 
-	LABEL	er_SIZEOF
+	LABEL	ifferr_SIZEOF