1557    png_uint_32    chunk_length;      /* From header (or modified below) */  member
1599    chunk->chunk_length = file->length;  in chunk_init()
1674    length = chunk->chunk_length;  in process_zTXt_iCCP()
1703    length = chunk->chunk_length;  in process_iTXt()
1953    list->lengths[(list->count)++] = file->chunk->chunk_length;  in process_IDAT()
1998       file->chunk->chunk_length = rechunk_length(idat);  in process_IDAT()
2593       assert(zlib->rewrite_offset < chunk->chunk_length);  in zlib_run()
2595       rc = zlib_advance(zlib, chunk->chunk_length - zlib->rewrite_offset);  in zlib_run()
2602       chunk->chunk_length -= zlib->extra_bytes;  in zlib_run()
2858       file->chunk->chunk_length = file->length;  in process_chunk()
2889             if (chunk->chunk_length != 13)  in process_chunk()
3253       length = chunk->chunk_length;  in read_callback()
3289          length = chunk->chunk_length;  in read_callback()
3476                      length = chunk->chunk_length = rechunk_length(file->idat);  in read_callback()