extern int close_istream(struct git_istream *);
extern ssize_t read_istream(struct git_istream *, void *, size_t);
-extern int stream_blob_to_fd(int fd, const unsigned char *, struct stream_filter *, int can_seek);
+extern int stream_blob_to_fd(int fd, const struct object_id *, struct stream_filter *, int can_seek);
#endif /* STREAMING_H */