SIOP_NSLOTS
for (; slot < SIOP_NSLOTS; slot++) {
if (slot == SIOP_NSLOTS) {
for (; slot < SIOP_NSLOTS; slot++) {
if (slot == SIOP_NSLOTS) {
for (slot = SIOP_NSLOTS - 1; slot >= 0; slot--) {
for (; slot < SIOP_NSLOTS; slot++) {
if (slot == SIOP_NSLOTS) {