bool set_databases_from_zurl(ODR odr, std::string zurl,
int *db_num, char ***db_strings);
void split_zurl(std::string zurl, std::string &host,
std::list<std::string> &db);
bool set_databases_from_zurl(ODR odr, std::string zurl,
int *db_num, char ***db_strings);
void split_zurl(std::string zurl, std::string &host,
std::list<std::string> &db);