NAME
	UnpackStructureTags -- unpack a structure to values in taglist. (V39)

   SYNOPSIS
	num = UnpackStructureTags(pack,packTable,tagList);
	D0                        A0   A1        A2

	ULONG UnpackStructureTags(APTR,ULONG *,struct TagItem *);

   FUNCTION
	For each table entry, a FindTagItem() will be done and if the
	matching tag is found in the taglist, the data in the structure
	will be placed into the memory pointed to by the tag's ti_Data.
	ti_Data *must* point to a LONGWORD.

   INPUTS
	pack - a pointer to the data area to be unpacked
	packTable - a pointer to the packing information table.
		    See <utility/pack.h> for definition and macros
	tagList - a pointer to the taglist to unpack into

   RESULTS
	num - the number of tag items unpacked

   SEE ALSO
	<utility/pack.h>, FindTagItem(), PackStructureTags()

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