compression_state  177 third_party/libpng/pngwutil.c         compression_state *comp)
compression_state  353 third_party/libpng/pngwutil.c png_write_compressed_data_out(png_structp png_ptr, compression_state *comp)
compression_state  777 third_party/libpng/pngwutil.c    compression_state comp;
compression_state 1401 third_party/libpng/pngwutil.c    compression_state comp;
compression_state 1462 third_party/libpng/pngwutil.c    compression_state comp;