__isl_take isl_pw_qpolynomial *pwqp);
__isl_give isl_union_pw_qpolynomial *isl_union_pw_qpolynomial_copy(
__isl_keep isl_union_pw_qpolynomial *upwqp);
-void isl_union_pw_qpolynomial_free(__isl_take isl_union_pw_qpolynomial *upwqp);
+void *isl_union_pw_qpolynomial_free(__isl_take isl_union_pw_qpolynomial *upwqp);
__isl_constructor
__isl_give isl_union_pw_qpolynomial *isl_union_pw_qpolynomial_read_from_str(
__isl_give isl_union_pw_qpolynomial_fold *isl_union_pw_qpolynomial_fold_fold_pw_qpolynomial_fold(
__isl_take isl_union_pw_qpolynomial_fold *upwqp,
__isl_take isl_pw_qpolynomial_fold *pwqp);
-void isl_union_pw_qpolynomial_fold_free(
+void *isl_union_pw_qpolynomial_fold_free(
__isl_take isl_union_pw_qpolynomial_fold *upwf);
__isl_give isl_union_pw_qpolynomial_fold *isl_union_pw_qpolynomial_fold_copy(
__isl_keep isl_union_pw_qpolynomial_fold *upwf);