file_default(struct magic_set *ms, size_t nb)
{
	if (ms->flags & MAGIC_MIME) {
		if ((ms->flags & MAGIC_MIME_TYPE) &&
		    file_printf(ms, "application/%s",
			nb ? "octet-stream" : "x-empty") == -1)
			return -1;
		return 1;
	}
	if (ms->flags & MAGIC_APPLE) {
		if (file_printf(ms, "UNKNUNKN") == -1)
			return -1;
		return 1;
	}
	if (ms->flags & MAGIC_EXTENSION) {
		if (file_printf(ms, "???") == -1)
			return -1;
		return 1;
	}
	return 0;
}
Unknown