act_tbl
static const struct act_tbl act_tbl[] = {
for (i = 0; act_tbl[i].at_act != NULL; i++) {
act_tbl[i].at_act) == -1)
for (i = 0; act_tbl[i].at_act != NULL; i++) {
if (!strcmp(o, act_tbl[i].at_act)) {
rv |= act_tbl[i].at_value;
if (act_tbl[i].at_act == NULL)