The SERVICE_CONTROL_STATUS_REASON_OUT_PARAMS structure<10> contains the status of the service.

 typedef struct _SERVICE_CONTROL_STATUS_REASON_OUT_PARAMS {
   SERVICE_STATUS_PROCESS ServiceStatus;
 } SERVICE_CONTROL_STATUS_REASON_OUT_PARAMS,
  *PSERVICE_CONTROL_STATUS_REASON_OUT_PARAMS;

ServiceStatus: A SERVICE_STATUS_PROCESS (section 2.2.49) structure that contains the current status of the service.