ocs_get_instance
for (i = 0; (ocs = ocs_get_instance(i)) != NULL; i++) {
extern ocs_t *ocs_get_instance(uint32_t index);
for (index = 0; (nxt_ocs = ocs_get_instance(index++)) != NULL; ) {
while ((nxt_ocs = ocs_get_instance(index++)) != NULL) {
while ((ocs = ocs_get_instance(index++)) != NULL) {
while ((nxt_ocs = ocs_get_instance(index++)) != NULL) {
while ((other_ocs = ocs_get_instance(index++)) != NULL) {
extern ocs_t *ocs_get_instance(uint32_t index);