1319 	int hlen, ol, mv, p, i;  local
1327 	hlen = fin->fin_hlen;
1420 	if (hlen == sizeof(*ip)) {
1436 	for (s = (u_char *)(ip + 1), hlen -= (int)sizeof(*ip); hlen > 0; ) {
1443 			if (hlen < 2)
1446 			if (ol < 2 || ol > hlen)
1483 		hlen -= ol;
1510 int	fr_makefrip(hlen, ip, fin)  in fr_makefrip()  argument
1511 int hlen;  in fr_makefrip()
1518 	fin->fin_hlen = (u_short)hlen;
1523 	fin->fin_dlen = fin->fin_plen - hlen;
1524 	fin->fin_dp = (char *)ip + hlen;
2313 int fr_check(ip, hlen, ifp, out  in fr_check()  argument
2322 int hlen;
2422 	fin->fin_hlen = (u_short)hlen;
2423 	fin->fin_dp = (char *)ip + hlen;
2455 	if (fr_makefrip(hlen, ip, fin) == -1) {
2946 	int hlen;  local
2956 	hlen = 0;
2965 		hlen = IP_HL(ip) << 2;
2966 		slen = ip->ip_len - hlen;
2977 		hlen = sizeof(*ip6);
3035 	sum2 = ip_cksum(m, hlen, sum);	/* hlen == offset */
3043 	m->m_data += hlen;
3045 	m->m_off += hlen;
3047 	m->m_len -= hlen;
3049 	m->m_len += hlen;
3051 	m->m_data -= hlen;
3053 	m->m_off -= hlen;
3112 		hlen = (caddr_t)sp - (caddr_t)ip;
3113 		while (hlen) {
3114 			add = MIN(hlen, m->m_len);
3116 			hlen -= add;
3119 				if (!hlen) {
3130 	len -= (l4hlen + hlen);