259 	struct ip *iph;  in frag_load()
300 	iph = (struct ip *)mp->b_rptr;  in frag_load()
447 	return (sizeof (struct ip));  in ipv4_header_len()
455 ipv4_setipaddr(struct in_addr *ip)  in ipv4_setipaddr()  argument
457 	myip.s_addr = htonl(ip->s_addr);  in ipv4_setipaddr()
464 ipv4_getipaddr(struct in_addr *ip)  in ipv4_getipaddr()  argument
466 	ip->s_addr = ntohl(myip.s_addr);  in ipv4_getipaddr()
474 ipv4_setnetmask(struct in_addr *ip)  in ipv4_setnetmask()  argument
477 	netmask.s_addr = htonl(ip->s_addr);  in ipv4_setnetmask()
501 ipv4_getnetmask(struct in_addr *ip)  in ipv4_getnetmask()  argument
504 		ip->s_addr = ntohl(netmask.s_addr);  in ipv4_getnetmask()
508 			ip->s_addr = ntohl(IN_CLASSA_NET);  in ipv4_getnetmask()
510 			ip->s_addr = ntohl(IN_CLASSB_NET);  in ipv4_getnetmask()
512 			ip->s_addr = ntohl(IN_CLASSC_NET);  in ipv4_getnetmask()
514 			ip->s_addr = ntohl(IN_CLASSE_NET);  in ipv4_getnetmask()
524 ipv4_setdefaultrouter(struct in_addr *ip)  in ipv4_setdefaultrouter()  argument
526 	defaultrouter.s_addr = htonl(ip->s_addr);  in ipv4_setdefaultrouter()
533 ipv4_getdefaultrouter(struct in_addr *ip)  in ipv4_getdefaultrouter()  argument
535 	ip->s_addr = ntohl(defaultrouter.s_addr);  in ipv4_getdefaultrouter()
567 inet_ntoa(struct in_addr ip)  in inet_ntoa()  argument
572 	p = (uint8_t *)&ip.s_addr;  in inet_ntoa()
590 	struct ip	*iph;  in make_trans_datagram()
623 		iph = (struct ip *)igp->igm_mp->b_rptr;  in make_trans_datagram()
694 	struct ip		*iphp;  in ipv4_input()
718 		iphp = (struct ip *)igp->igm_mp->b_rptr;  in ipv4_input()
726 		if (iphlen < sizeof (struct ip)) {  in ipv4_input()
728 			    index, iphlen, (uint_t)sizeof (struct ip));  in ipv4_input()
973 	struct ip	*iphp;  in ipv4_output()
974 	uint64_t	iphbuffer[sizeof (struct ip)];  in ipv4_output()
1000 	iphp = (struct ip *)&iphbuffer;  in ipv4_output()
1002 	iphp->ip_hl = sizeof (struct ip) / 4;  in ipv4_output()
1005 	    sizeof (struct ip));  in ipv4_output()
1050 	iphp->ip_sum = ipv4cksum((uint16_t *)iphp, sizeof (struct ip));  in ipv4_output()
1051 	ogp->igm_mp->b_rptr -= sizeof (struct ip);  in ipv4_output()
1053 	    sizeof (struct ip));  in ipv4_output()
1068 	struct ip *iph;  in ipv4_tcp_output()
1072 	iph = (struct ip *)pkt->b_rptr;  in ipv4_tcp_output()
1099 	iph->ip_sum = ipv4cksum((uint16_t *)iph, sizeof (struct ip));  in ipv4_tcp_output()