pub unsafe extern "C" fn tango_read_attributes(
proxy: *mut c_void,
attr_names: *mut VarStringArray,
argout: *mut AttributeDataList,
) -> *mut ErrorStackpub unsafe extern "C" fn tango_read_attributes(
proxy: *mut c_void,
attr_names: *mut VarStringArray,
argout: *mut AttributeDataList,
) -> *mut ErrorStack