PhidgetGPS_setOnPositionChangeHandler

phidget_sys

Function PhidgetGPS_setOnPositionChangeHandler 

Source 
pub unsafe extern "C" fn PhidgetGPS_setOnPositionChangeHandler(
    ch: PhidgetGPSHandle,
    fptr: PhidgetGPS_OnPositionChangeCallback,
    ctx: *mut c_void,
) -> PhidgetReturnCode