gFileQueryWritableNamespaces(object, cancellable = NULL, .errwarn = TRUE)objectGFile.cancellableGCancellable object, NULL to ignore.GFileAttributeInfoList] a GFileAttributeInfoList describing the writable namespaces.
When you are done with it,errorGError, or NULLcancellable is not NULL, then the operation can be cancelled by
triggering the cancellable object from another thread. If the operation
was cancelled, the error G_IO_ERROR_CANCELLED will be returned.