open_connection()

int open_connection

(

)

                        {
    connection  = mysql_init(NULL);
    mysql_real_connect(connection, 
                       mysqlinfo->mysql_hostname,
                       mysqlinfo->mysql_user,
                       mysqlinfo->mysql_password,
                       mysqlinfo->mysql_db,
                       mysqlinfo->mysql_port,
                       0, 0);
    if( connection == NULL ) {
        return -1;
    }
    else {
        return 0;
    }
}