void ofp10_match_print(struct ds *, const struct ofp10_match *, int verbosity);
char *ofp_to_string(const void *, size_t, int verbosity);
char *ofp10_match_to_string(const struct ofp10_match *, int verbosity);
char *ofp_packet_to_string(const void *data, size_t len);
void ofp10_match_print(struct ds *, const struct ofp10_match *, int verbosity);
char *ofp_to_string(const void *, size_t, int verbosity);
char *ofp10_match_to_string(const struct ofp10_match *, int verbosity);
char *ofp_packet_to_string(const void *data, size_t len);