tail              318 src/cron.c     	database.tail = NULL;
tail              353 src/database.c 		new_db.head = new_db.tail = NULL;
tail              522 src/database.c 	new_db.head = new_db.tail = NULL;
tail              593 src/database.c 	if (db->tail)
tail              594 src/database.c 		db->tail->next = u;
tail              595 src/database.c 	u->prev = db->tail;
tail              597 src/database.c 	db->tail = u;
tail              607 src/database.c 		db->tail = u->prev;
tail               81 src/structs.h  	user		*head, *tail;	/* links */