Function libiio_sys::iio_channel_attr_get_filename

pub unsafe extern "C" fn iio_channel_attr_get_filename(
    chn: *const iio_channel, 
    attr: *const c_char
) -> *const c_char

@brief Retrieve the filename of an attribute @param chn A pointer to an iio_channel structure @param attr a NULL-terminated string corresponding to the name of the attribute @return On success, a pointer to a static NULL-terminated string @return If the attribute name is unknown, NULL is returned