`sql::mysql::MySQL_Driver *driver;
sql::Connection *con;
driver = sql::mysql::MySQL_Driver::get_mysql_driver_instance();
con = driver->connect("tcp://127.0.0.1:3306", "user", "password");`

MYSQL* conn;
conn = mysql_init(NULL);
mysql_real_connect(conn,HOST,USERNAME,PASSWORD,DATABASE,0,NULL,0);