VP8BitWriterBuf   313 3rdparty/libwebp/enc/alpha.c       *output = VP8BitWriterBuf(&bw);
VP8BitWriterBuf   397 3rdparty/libwebp/enc/syntax.c     const uint8_t* const part0 = VP8BitWriterBuf(bw);
VP8BitWriterBuf   407 3rdparty/libwebp/enc/syntax.c     const uint8_t* const buf = VP8BitWriterBuf(enc->parts_ + p);