typedef struct _SERVICE_STATUS {
    DWORD   dwServiceType;
    DWORD   dwCurrentState;
    DWORD   dwControlsAccepted;
    DWORD   dwWin32ExitCode;
    DWORD   dwServiceSpecificExitCode;
    DWORD   dwCheckPoint;
    DWORD   dwWaitHint;
} SERVICE_STATUS, *LPSERVICE_STATUS;