int log_tree_diff_flush(struct rev_info *);
int log_tree_commit(struct rev_info *, struct commit *);
int log_tree_opt_parse(struct rev_info *, const char **, int);
-void show_log(struct rev_info *opt, struct log_info *log, const char *sep);
+void show_log(struct rev_info *opt, const char *sep);
#endif