ipmi_entity_present
if (ipmi_entity_present(ihp, ep, &present) != 0) {
if (ipmi_entity_present(ihp, ep, &present) != 0) {
if (ipmi_entity_present(ihp, &cp->ie_entity, valp) != 0)
extern int ipmi_entity_present(ipmi_handle_t *, ipmi_entity_t *, boolean_t *);