Function iio_device_set_trigger 

pub unsafe extern "C" fn iio_device_set_trigger(
    dev: *const iio_device,
    trigger: *const iio_device,
) -> c_int

@brief Associate a trigger to a given device @param dev A pointer to an iio_device structure @param trigger a pointer to the iio_device structure corresponding to the trigger that should be associated. @return On success, 0 is returned @return On error, a negative errno code is returned