126 #define shost_show_function(name, field, format_string)			\  argument
132 	return snprintf (buf, 20, format_string, shost->field);		\
139 #define shost_rd_attr2(name, field, format_string)			\  argument
140 	shost_show_function(name, field, format_string)			\
143 #define shost_rd_attr(field, format_string) \  argument
144 shost_rd_attr2(field, field, format_string)
506 #define sdev_show_function(field, format_string)				\  argument
513 	return snprintf (buf, 20, format_string, sdev->field);		\
520 #define sdev_rd_attr(field, format_string)				\  argument
521 	sdev_show_function(field, format_string)			\
529 #define sdev_rw_attr(field, format_string)				\  argument
530 	sdev_show_function(field, format_string)				\
538 	sscanf (buf, format_string, &sdev->field);			\