usg_elem
struct usg_elem *next;
struct usg_elem *alias;
typedef struct usg_elem usg_elem;
usg_elem *byr_val = NULL; /* option indices sorted by r_val */
usg_elem *store; /* array of preallocated elements. */
usg_elem *ue;
store = (usg_elem *) malloc (s->optc * sizeof (usg_elem));
usg_elem **ue_curr, **ptr_if_no_alias = NULL;
usg_elem *ue2;
usg_elem *ap;
usg_elem *ap;