159 #define shost_show_function(name, field, format_string)			\  argument
165 	return snprintf (buf, 20, format_string, shost->field);		\
172 #define shost_rd_attr2(name, field, format_string)			\  argument
173 	shost_show_function(name, field, format_string)			\
176 #define shost_rd_attr(field, format_string) \  argument
177 shost_rd_attr2(field, field, format_string)
559 #define sdev_show_function(field, format_string)				\  argument
566 	return snprintf (buf, 20, format_string, sdev->field);		\
573 #define sdev_rd_attr(field, format_string)				\  argument
574 	sdev_show_function(field, format_string)			\
582 #define sdev_rw_attr(field, format_string)				\  argument
583 	sdev_show_function(field, format_string)				\
591 	sscanf (buf, format_string, &sdev->field);			\