static int ofscmp(const void *a_, const void *b_)
{
	struct in_pack_object *a = (struct in_pack_object *)a_;
	struct in_pack_object *b = (struct in_pack_object *)b_;

	if (a->offset < b->offset)
		return -1;
	else if (a->offset > b->offset)
		return 1;
	else
		return oidcmp(&a->object->oid, &b->object->oid);
}
static int ofscmp(const void *a_, const void *b_)
{
	struct in_pack_object *a = (struct in_pack_object *)a_;
	struct in_pack_object *b = (struct in_pack_object *)b_;

	if (a->offset < b->offset)
		return -1;
	else if (a->offset > b->offset)
		return 1;
	else
		return oidcmp(&a->object->oid, &b->object->oid);
}