extern int aspath_left_confed_check(struct aspath *);
extern unsigned long aspath_count(void);
extern unsigned int aspath_count_hops(const struct aspath *);
+extern bool aspath_check_as_sets(struct aspath *aspath);
extern unsigned int aspath_count_confeds(struct aspath *);
extern unsigned int aspath_size(struct aspath *);
extern as_t aspath_highest(struct aspath *);