90 struct  range {  struct
95 	struct range old;  argument
96 	struct range new;
125 int duplicate(struct range *, struct range *);
132 void change(int, struct range *, int);
133 void keep(int, struct range *);
135 void prange(struct range *);
410 change(int i, struct range *rold, int dup)  in change()
426 prange(struct range *rold)  in prange()
444 keep(int i, struct range *rnew)  in keep()
447 	struct range trange;  in keep()
480 duplicate(struct range *r1, struct range *r2)  in duplicate()