pf_rule_tree_free
void pf_rule_tree_free(struct pf_krule_global *);
pf_rule_tree_free(tree);
pf_rule_tree_free(rs->rules[rs_num].inactive.tree);
pf_rule_tree_free(old_tree);
pf_rule_tree_free(pf_main_ruleset.rules[i].active.tree);
pf_rule_tree_free(pf_main_ruleset.rules[i].inactive.tree);
pf_rule_tree_free(ruleset->rules[i].active.tree);
pf_rule_tree_free(ruleset->rules[i].inactive.tree);