for (filenames = notmuch_message_get_filenames (message);
notmuch_filenames_valid (filenames);
notmuch_filenames_move_to_next (filenames)) {
for (filenames = notmuch_message_get_filenames (message);
notmuch_filenames_valid (filenames);
notmuch_filenames_move_to_next (filenames)) {