+ unsigned int off3;
+ unsigned int off4;
+ unsigned int maxval; /* max and min value */
+ int minval;
+ int neg; /* negate value stored */
+ int prio;
+ void *cb; /* callback */
+ const char *help; /* help text for option */
+ const char *def; /* default setting */
+ const struct value_pair posval[PARSE_MAX_VP];/* possible values */
+ const char *parent; /* parent option */
+ int (*verify)(struct fio_option *, void *);