61   int r = file->wrapped_file->pMethods->xClose(file->wrapped_file);  in Close()
74   return wrapped_file->pMethods->xRead(wrapped_file, buf, amt, ofs);  in Read()
81   return wrapped_file->pMethods->xWrite(wrapped_file, buf, amt, ofs);  in Write()
87   return wrapped_file->pMethods->xTruncate(wrapped_file, size);  in Truncate()
93   return wrapped_file->pMethods->xSync(wrapped_file, flags);  in Sync()
99   return wrapped_file->pMethods->xFileSize(wrapped_file, size);  in FileSize()
107   return wrapped_file->pMethods->xLock(wrapped_file, file_lock);  in Lock()
113   return wrapped_file->pMethods->xUnlock(wrapped_file, file_lock);  in Unlock()
119   return wrapped_file->pMethods->xCheckReservedLock(wrapped_file, result);  in CheckReservedLock()
127   return wrapped_file->pMethods->xFileControl(wrapped_file, op, arg);  in FileControl()
133   return wrapped_file->pMethods->xSectorSize(wrapped_file);  in SectorSize()
139   return wrapped_file->pMethods->xDeviceCharacteristics(wrapped_file);  in DeviceCharacteristics()
145   return wrapped_file->pMethods->xShmMap(  in ShmMap()
151   return wrapped_file->pMethods->xShmLock(wrapped_file, ofst, n, flags);  in ShmLock()
156   wrapped_file->pMethods->xShmBarrier(wrapped_file);  in ShmBarrier()
161   return wrapped_file->pMethods->xShmUnmap(wrapped_file, del);  in ShmUnmap()
166   return wrapped_file->pMethods->xFetch(wrapped_file, off, amt, pp);  in Fetch()
171   return wrapped_file->pMethods->xUnfetch(wrapped_file, off, p);  in Unfetch()
241   if (wrapped_file->pMethods->iVersion == 1) {  in Open()
264   } else if (wrapped_file->pMethods->iVersion == 2) {  in Open()