rem: *nfcache |= NFC_UNKNOWN;
context: init(struct ipt_entry_target *t, unsigned int *nfcache){	struct ipt_ipmark_target_info *ipmarkinfo =		(struct ipt_ipmark_target_info *)t->data;	ipmarkinfo->andmask=0xffffffff;	ipmarkinfo->ormask=0;	*nfcache |= NFC_UNKNOWN;}