-const char *var_get_short_name (const struct variable *);
-void var_set_short_name (struct variable *, const char *);
-void var_clear_short_name (struct variable *);
+size_t var_get_short_name_cnt (const struct variable *);
+const char *var_get_short_name (const struct variable *, size_t idx);
+void var_set_short_name (struct variable *, size_t, const char *);
+void var_clear_short_names (struct variable *);