PhidgetPHSensor_setOnPHChangeHandler

phidget_sys

Function PhidgetPHSensor_setOnPHChangeHandler 

Source 
pub unsafe extern "C" fn PhidgetPHSensor_setOnPHChangeHandler(
    ch: PhidgetPHSensorHandle,
    fptr: PhidgetPHSensor_OnPHChangeCallback,
    ctx: *mut c_void,
) -> PhidgetReturnCode