add_aref
static int add_aref(ipqos_conf_act_ref_t **, char *, char *);
res = add_aref(¶ms->actions, nm, action);
res = add_aref(&cls->alist, src->alist->field, src->alist->name);
res = add_aref(&(*class)->alist,
res = add_aref(&dact->dependencies, NULL, act->name);
res = add_aref(&dact->dependencies, NULL,
ret = add_aref(¶ms->actions, nvpair_name(nvp), act);
ret = add_aref(&class->alist, NULL, str);