- var->cnsts[i].enabled_element_set_hookup.next = NULL;
- var->cnsts[i].enabled_element_set_hookup.prev = NULL;
- var->cnsts[i].disabled_element_set_hookup.next = NULL;
- var->cnsts[i].disabled_element_set_hookup.prev = NULL;
- var->cnsts[i].active_element_set_hookup.next = NULL;
- var->cnsts[i].active_element_set_hookup.prev = NULL;
- var->cnsts[i].constraint = NULL;
- var->cnsts[i].variable = NULL;
+ var->cnsts[i].enabled_element_set_hookup.next = nullptr;
+ var->cnsts[i].enabled_element_set_hookup.prev = nullptr;
+ var->cnsts[i].disabled_element_set_hookup.next = nullptr;
+ var->cnsts[i].disabled_element_set_hookup.prev = nullptr;
+ var->cnsts[i].active_element_set_hookup.next = nullptr;
+ var->cnsts[i].active_element_set_hookup.prev = nullptr;
+ var->cnsts[i].constraint = nullptr;
+ var->cnsts[i].variable = nullptr;