int sd_rtnl_message_addr_get_prefixlen(sd_rtnl_message *m, unsigned char *prefixlen);
int sd_rtnl_message_addr_get_scope(sd_rtnl_message *m, unsigned char *scope);
int sd_rtnl_message_addr_get_flags(sd_rtnl_message *m, unsigned char *flags);
int sd_rtnl_message_addr_get_prefixlen(sd_rtnl_message *m, unsigned char *prefixlen);
int sd_rtnl_message_addr_get_scope(sd_rtnl_message *m, unsigned char *scope);
int sd_rtnl_message_addr_get_flags(sd_rtnl_message *m, unsigned char *flags);