209     wuffs_base__io_buffer    fIOBuffer;  member in SkWuffsCodec
331       fIOBuffer(wuffs_base__null_io_buffer()),  in SkWuffsCodec()
346     fIOBuffer.data = wuffs_base__make_slice_u8(fBuffer, SK_WUFFS_CODEC_BUFFER_SIZE);  in SkWuffsCodec()
347     fIOBuffer.meta = iobuf.meta;  in SkWuffsCodec()
687     if (!seek_buffer(&fIOBuffer, fStream.get(), pos)) {  in seekFrame()
690     const char* status = fDecoder->restart_frame(frameIndex, fIOBuffer.reader_io_position());  in seekFrame()
803     fIOBuffer.meta = wuffs_base__null_io_buffer_meta();  in resetDecoder()
806         reset_and_decode_image_config(fDecoder.get(), nullptr, &fIOBuffer, fStream.get());  in resetDecoder()
819         const char* status = fDecoder->decode_frame_config(&fFrameConfig, fIOBuffer.reader());  in decodeFrameConfig()
821             fill_buffer(&fIOBuffer, fStream.get())) {  in decodeFrameConfig()
833             fDecoder->decode_frame(&fPixelBuffer, fIOBuffer.reader(),  in decodeFrame()
836             fill_buffer(&fIOBuffer, fStream.get())) {  in decodeFrame()