const struct vardict_info *var_get_vardict (const struct variable *);
void var_set_vardict (struct variable *, const struct vardict_info *);
bool var_has_vardict (const struct variable *);
void var_clear_vardict (struct variable *);
const struct vardict_info *var_get_vardict (const struct variable *);
void var_set_vardict (struct variable *, const struct vardict_info *);
bool var_has_vardict (const struct variable *);
void var_clear_vardict (struct variable *);