pub unsafe extern "system" fn WinBioControlUnit(
    sessionhandle: u32,
    unitid: u32,
    component: WINBIO_COMPONENT,
    controlcode: u32,
    sendbuffer: *const u8,
    sendbuffersize: usize,
    receivebuffer: *mut u8,
    receivebuffersize: usize,
    receivedatasize: *mut usize,
    operationstatus: *mut u32,
) -> HRESULT