extern unsigned int aspath_get_first_as(struct aspath *aspath);
extern unsigned int aspath_get_last_as(struct aspath *aspath);
extern int aspath_loop_check(struct aspath *aspath, as_t asno);
+extern int aspath_loop_check_confed(struct aspath *aspath, as_t asno);
extern bool aspath_private_as_check(struct aspath *aspath);
extern struct aspath *aspath_replace_specific_asn(struct aspath *aspath,
as_t target_asn,