blabel_free
blabel_free(drange.lower_bound);
blabel_free(drange.lower_bound);
blabel_free(drange.upper_bound);
blabel_free(drange.lower_bound);
blabel_free(drange.upper_bound);
blabel_free(range->lower_bound);
blabel_free(range->upper_bound);
blabel_free(range->lower_bound);
blabel_free(range->lower_bound);
blabel_free(range->upper_bound);
blabel_free(range->lower_bound);
blabel_free(range->upper_bound);
extern void blabel_free(m_label_t *);