char *get_archive_url(const char *owner, const char *ppa);
-char *time_to_str(time_t t);
+time_t ddts_get_last_date(struct daily_download_total **);
+
+struct daily_download_total **
+ddts_merge(struct daily_download_total **,
+ struct daily_download_total **);
+
+int ddts_get_count(struct daily_download_total **);
+
+struct daily_download_total *ddt_clone(struct daily_download_total *);
+struct daily_download_total **ddts_clone(struct daily_download_total **);
#endif