173 typedef struct DN	DN;  typedef
208 struct DN  struct
210 	DN	*next;		/* hash collision list */  argument
211 	ulong	magic;
212 	char	*name;		/* owner */
213 	RR	*rr;		/* resource records off this name */
214 	ulong	referenced;	/* time last referenced */
215 	ulong	lookuptime;	/* last time we tried to get a better value */
217 	ulong	refs;		/* for mark and sweep */
218 	ulong	ordinal;
219 	ushort	class;		/* RR class */
220 	uchar	keep;		/* flag: never age this name */
221 	uchar	respcode;	/* response code */
224 	Querylck querylck[Maxlcks];