158 #define shost_show_function(name, field, format_string)			\  argument
164 	return snprintf (buf, 20, format_string, shost->field);		\
171 #define shost_rd_attr2(name, field, format_string)			\  argument
172 	shost_show_function(name, field, format_string)			\
175 #define shost_rd_attr(field, format_string) \  argument
176 shost_rd_attr2(field, field, format_string)
552 #define sdev_show_function(field, format_string)				\  argument
559 	return snprintf (buf, 20, format_string, sdev->field);		\
566 #define sdev_rd_attr(field, format_string)				\  argument
567 	sdev_show_function(field, format_string)			\
575 #define sdev_rw_attr(field, format_string)				\  argument
576 	sdev_show_function(field, format_string)				\
584 	sscanf (buf, format_string, &sdev->field);			\