VM_DCL_HANDLE uart_handle;
    VM_DCL_MODULE_TYPE usr_id;
    usr_id = vm_dcl_get_ownerid();
    uart_handle = vm_dcl_open(VM_DCL_SIO_UART_PORT1, usr_id);
    if(VM_DCL_HANDLE_INVALID==uart_handle) return;
    //Do something with the handle.