extern int show_cmd_help(struct fio_option *, const char *);
extern void fill_default_options(void *, struct fio_option *);
extern void options_init(struct fio_option *);
+extern void options_mem_dupe(struct fio_option *, void *);
extern void options_free(struct fio_option *, void *);
extern void strip_blank_front(char **);