pub unsafe extern "C" fn PhidgetRCServo_setTargetPosition_async(
ch: PhidgetRCServoHandle,
targetPosition: f64,
fptr: Phidget_AsyncCallback,
ctx: *mut c_void,
)pub unsafe extern "C" fn PhidgetRCServo_setTargetPosition_async(
ch: PhidgetRCServoHandle,
targetPosition: f64,
fptr: Phidget_AsyncCallback,
ctx: *mut c_void,
)