time_t ddts_get_last_date(struct daily_download_total **);
struct daily_download_total **
ddts_merge(struct daily_download_total **,
struct daily_download_total **);
time_t ddts_get_last_date(struct daily_download_total **);
struct daily_download_total **
ddts_merge(struct daily_download_total **,
struct daily_download_total **);