void ofputil_append_port_stat(struct list *replies,
const struct ofputil_port_stats *ops);
size_t ofputil_count_port_stats(const struct ofp_header *);
int ofputil_decode_port_stats(struct ofputil_port_stats *, struct ofpbuf *msg);
enum ofperr ofputil_decode_port_stats_request(const struct ofp_header *request,
void ofputil_append_port_stat(struct list *replies,
const struct ofputil_port_stats *ops);
size_t ofputil_count_port_stats(const struct ofp_header *);
int ofputil_decode_port_stats(struct ofputil_port_stats *, struct ofpbuf *msg);
enum ofperr ofputil_decode_port_stats_request(const struct ofp_header *request,