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ip = mtod(m, struct ip *);		ip = mtod(m, struct ip *);
ip_len = ntohs(ip->ip_len);		ip_len = ntohs(ip->ip_len);
ip_off = ntohs(ip->ip_off);		ip_off = ntohs(ip->ip_off);

if ((flags & (IP_FORWARDING\|IP_RAWOUTPUT)) == 0) {		if ((flags & (IP_FORWARDING\|IP_RAWOUTPUT)) == 0) {
ip->ip_v = IPVERSION;		ip->ip_v = IPVERSION;
ip->ip_hl = hlen >> 2;		ip->ip_hl = hlen >> 2;
ip_fillid(ip);		ip_fillid(ip);
IPSTAT_INC(ips_localout);
} else {		} else {
/* Header already set, fetch hlen from there */		/* Header already set, fetch hlen from there */
hlen = ip->ip_hl << 2;		hlen = ip->ip_hl << 2;
}		}
		if ((flags & IP_FORWARDING) == 0)
		IPSTAT_INC(ips_localout);

/*		/*
* dst/gw handling:		* dst/gw handling:
*		*
* dst can be rewritten but always points to &ro->ro_dst.		* dst can be rewritten but always points to &ro->ro_dst.
* gw is readonly but can point either to dst OR rt_gateway,		* gw is readonly but can point either to dst OR rt_gateway,
* therefore we need restore gw if we're redoing lookup.		* therefore we need restore gw if we're redoing lookup.
*/		*/
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