extern const char *reggroup_name (struct reggroup *reggroup);
extern enum reggroup_type reggroup_type (struct reggroup *reggroup);
-/* The register groups for the current architecture. */
-extern struct reggroup *const *reggroups (struct gdbarch *gdbarch);
+/* Interator for the architecture's register groups. Pass in NULL,
+ returns the first group. Pass in a group, returns the next group,
+ or NULL when the last group is reached. */
+extern struct reggroup *reggroup_next (struct gdbarch *gdbarch,
+ struct reggroup *last);
/* Is REGNUM a member of REGGROUP? */
extern int default_register_reggroup_p (struct gdbarch *gdbarch, int regnum,