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# $OpenBSD: iff,v 1.3 2008/05/08 01:40:57 chl Exp $
#------------------------------------------------------------------------------
# iff: file(1) magic for Interchange File Format (see also "audio" & "images")
#
# Daniel Quinlan (quinlan@yggdrasil.com) -- IFF was designed by Electronic
# Arts for file interchange. It has also been used by Apple, SGI, and
# especially Commodore-Amiga.
#
# IFF files begin with an 8 byte FORM header, followed by a 4 character
# FORM type, which is followed by the first chunk in the FORM.
0 string FORM IFF data
#>4 belong x \b, FORM is %d bytes long
# audio formats
>8 string AIFF \b, AIFF audio
>8 string AIFC \b, AIFF-C compressed audio
>8 string 8SVX \b, 8SVX 8-bit sampled sound voice
>8 string 16SV \b, 16SV 16-bit sampled sound voice
>8 string SAMP \b, SAMP sampled audio
>8 string MAUD \b, MAUD MacroSystem audio
>8 string SMUS \b, SMUS simple music
>8 string CMUS \b, CMUS complex music
# image formats
>8 string ILBMBMHD \b, ILBM interleaved image
>>20 beshort x \b, %d x
>>22 beshort x %d
>8 string RGBN \b, RGBN 12-bit RGB image
>8 string RGB8 \b, RGB8 24-bit RGB image
>8 string DEEP \b, DEEP TVPaint/XiPaint image
>8 string DR2D \b, DR2D 2-D object
>8 string TDDD \b, TDDD 3-D rendering
>8 string LWOB \b, LWOB 3-D object
>8 string LWO2 \b, LWO2 3-D object, v2
>8 string LWLO \b, LWLO 3-D layered object
>8 string REAL \b, REAL Real3D rendering
>8 string MC4D \b, MC4D MaxonCinema4D rendering
>8 string ANIM \b, ANIM animation
>8 string YAFA \b, YAFA animation
>8 string SSA\ \b, SSA super smooth animation
>8 string ACBM \b, ACBM continuous image
>8 string FAXX \b, FAXX fax image
# other formats
>8 string FTXT \b, FTXT formatted text
>8 string CTLG \b, CTLG message catalog
>8 string PREF \b, PREF preferences
>8 string DTYP \b, DTYP datatype description
>8 string PTCH \b, PTCH binary patch
>8 string AMFF \b, AMFF AmigaMetaFile format
>8 string WZRD \b, WZRD StormWIZARD resource
>8 string DOC\ \b, DOC desktop publishing document
# These go at the end of the iff rules
#
# I don't see why these might collide with anything else.
#
# Interactive Fiction related formats
#
>8 string IFRS \b, Blorb Interactive Fiction
>>24 string Exec with executable chunk
>8 string IFZS \b, Z-machine or Glulx saved game file (Quetzal)
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