266   struct output_file_callback* outc = to_output_file_callback(out);  in callback_file_skip()  local
272     ret = outc->write(outc->priv, nullptr, to_write);  in callback_file_skip()
287   struct output_file_callback* outc = to_output_file_callback(out);  in callback_file_write()  local
289   return outc->write(outc->priv, data, len);  in callback_file_write()
293   struct output_file_callback* outc = to_output_file_callback(out);  in callback_file_close()  local
295   free(outc);  in callback_file_close()
596   struct output_file_callback* outc;  in output_file_open_callback()  local
598   outc =  in output_file_open_callback()
600   if (!outc) {  in output_file_open_callback()
605   outc->out.ops = &callback_file_ops;  in output_file_open_callback()
606   outc->priv = priv;  in output_file_open_callback()
607   outc->write = write;  in output_file_open_callback()
609   ret = output_file_init(&outc->out, block_size, len, sparse, chunks, crc);  in output_file_open_callback()
611     free(outc);  in output_file_open_callback()
615   return &outc->out;  in output_file_open_callback()