PhidgetStepper_setOnPositionChangeHandler

phidget_sys

Function PhidgetStepper_setOnPositionChangeHandler 

Source 
pub unsafe extern "C" fn PhidgetStepper_setOnPositionChangeHandler(
    ch: PhidgetStepperHandle,
    fptr: PhidgetStepper_OnPositionChangeCallback,
    ctx: *mut c_void,
) -> PhidgetReturnCode