(TIFFReadWriteProc)tiff_memory_read,
(TIFFReadWriteProc)tiff_memory_write,
tiff_memory_seek, tiff_memory_close, tiff_memory_size,
tiff_map_noop, tiff_unmap_noop);
if (!unwind.tiff)
(TIFFReadWriteProc)tiff_memory_read,
(TIFFReadWriteProc)tiff_memory_write,
tiff_memory_seek, tiff_memory_close, tiff_memory_size,
tiff_map_noop, tiff_unmap_noop);
if (!unwind.tiff)