N_VARS is the size of VARS.
*/
struct casefilter *
-casefilter_create (enum mv_class class, struct variable **vars, int n_vars)
+casefilter_create (enum mv_class class, const struct variable **vars, int n_vars)
{
int i;
struct casefilter * filter = xmalloc (sizeof (*filter)) ;
filter considers. N_VARS is the size of VARS */
void
casefilter_add_variables (struct casefilter *filter,
- struct variable *const *vars, int n_vars)
+ const struct variable *const *vars, int n_vars)
{
int i;