rem: status_t das_open( das_device_info *device, das_handle_info **handle_out )
add: das_open(das_device_info *device, das_handle_info **handle_out)
context: status_t das_open( das_device_info *device, das_handle_info **handle_out ){	das_handle_info *handle;	int res;		SHOW_FLOW0( 3, "" );		handle = (das_handle_info *)malloc( sizeof( *handle ));	if( handle == NULL )		return B_NO_MEMORY;			handle->device = device;			res = scsi_periph->handle_open( device->scsi_periph_device, 		(periph_handle_cookie)handle, 		&handle->scsi_periph_handle );	if( res < 0 ) {		free( handle );		return res;	}		SHOW_FLOW0( 3, "opened" );	*handle_out = handle;		return B_OK;}