void ofp_print_match(struct ds *, const struct ofp_match *, int verbosity);
char *ofp_to_string(const void *, size_t, int verbosity);
char *ofp_match_to_string(const struct ofp_match *, int verbosity);
void ofp_print_match(struct ds *, const struct ofp_match *, int verbosity);
char *ofp_to_string(const void *, size_t, int verbosity);
char *ofp_match_to_string(const struct ofp_match *, int verbosity);