+static const char *
+_get_filename (notmuch_message_t *message, int index)
+{
+ notmuch_filenames_t *filenames = notmuch_message_get_filenames (message);
+ int i = 1;
+
+ for (;
+ notmuch_filenames_valid (filenames);
+ notmuch_filenames_move_to_next (filenames), i++) {
+ if (i >= index)
+ return notmuch_filenames_get (filenames);
+ }
+ return NULL;
+}
+