Description: Return the number of tables, or if this a TTC (collection), return the number of tables in the first element of the collection. In either case, if offsetToDir is not-null, set it to the offset to the beginning of the table headers (SkSFNTDirEntry), relative to the start of the stream.
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File list (Check if you may need any files):
nullptr_t_deleter.pass.c
SkFontStream.c
SkFontStream.h