code: static ZipFileRO getZipFileLocked(final asset_path ap) {
      ALOGV("getZipFileLocked() in %s\n", CppAssetManager.class);
  
      return mZipSet.getZip(ap.path.string());
    }
docs: /*
  Return a pointer to one of our open Zip archives.  Returns null if no
  matching Zip file exists.