krb5_dk_node
krb5_dk_node *dknode = key->dk_list;
krb5_dk_node *dknode;
key->dk_list = MALLOC(sizeof(krb5_dk_node));
dknode->next = MALLOC(sizeof(krb5_dk_node));
krb5_dk_node *dk_list; /* list of keys derived from this key */
krb5_dk_node *dn = key->dk_list;
krb5_dk_node *nxt;
FREE(dn, sizeof(krb5_dk_node));