rem: *nfcache |= NFC_UNKNOWN;
context: static void init( struct ipt_entry_target *t, unsigned int *nfcache ){	struct ipt_tcplag *el = (struct ipt_tcplag *)t->data;	memset( el, 0, sizeof( struct ipt_tcplag ));	el->level = 4; /* Default to warning level */	strcpy( el->prefix, "TCPLAG:" ); /* Give a reasonable default prefix */	*nfcache |= NFC_UNKNOWN;}