Function XPLMCreateFlightLoop 

pub unsafe extern "C" fn XPLMCreateFlightLoop(
    inParams: *mut XPLMCreateFlightLoop_t,
) -> XPLMFlightLoopID

XPLMCreateFlightLoop

This routine creates a flight loop callback and returns its ID. The flight loop callback is created using the input param struct, and is inited to be unscheduled.