#define PIM_MSG_REGISTER_LEN (8)
#define PIM_MSG_REGISTER_STOP_LEN (4)
-int pim_register_stop_recv(uint8_t *buf, int buf_size);
+int pim_register_stop_recv(struct interface *ifp, uint8_t *buf, int buf_size);
int pim_register_recv(struct interface *ifp, struct in_addr dest_addr,
struct in_addr src_addr, uint8_t *tlv_buf,