183 	if (ip->ip_src.s_addr != cs->cs_ip.ip_src.s_addr ||  in sl_compress_tcp()
184 	    ip->ip_dst.s_addr != cs->cs_ip.ip_dst.s_addr ||  in sl_compress_tcp()
185 	    *(int32_t *)th != ((int32_t *)&cs->cs_ip)[cs->cs_ip.ip_hl]) {  in sl_compress_tcp()
204 			if (ip->ip_src.s_addr == cs->cs_ip.ip_src.s_addr  in sl_compress_tcp()
205 			    && ip->ip_dst.s_addr == cs->cs_ip.ip_dst.s_addr  in sl_compress_tcp()
207 			    ((int32_t *)&cs->cs_ip)[cs->cs_ip.ip_hl])  in sl_compress_tcp()
251 	oth = (struct tcphdr *)&((int32_t *)&cs->cs_ip)[hlen];  in sl_compress_tcp()
258 	if (((u_int16_t *)ip)[0] != ((u_int16_t *)&cs->cs_ip)[0] ||  in sl_compress_tcp()
259 	    ((u_int16_t *)ip)[3] != ((u_int16_t *)&cs->cs_ip)[3] ||  in sl_compress_tcp()
260 	    ((u_int16_t *)ip)[4] != ((u_int16_t *)&cs->cs_ip)[4] ||  in sl_compress_tcp()
263 	     BCMP(ip + 1, &cs->cs_ip + 1, (deltaS - 5) << 2)) ||  in sl_compress_tcp()
317 		if (ip->ip_len != cs->cs_ip.ip_len &&  in sl_compress_tcp()
318 		    ntohs(cs->cs_ip.ip_len) == hlen)  in sl_compress_tcp()
333 		    deltaS == ntohs(cs->cs_ip.ip_len) - hlen) {  in sl_compress_tcp()
341 		if (deltaS == ntohs(cs->cs_ip.ip_len) - hlen) {  in sl_compress_tcp()
349 	deltaS = ntohs(ip->ip_id) - ntohs(cs->cs_ip.ip_id);  in sl_compress_tcp()
361 	BCOPY(ip, &cs->cs_ip, hlen);  in sl_compress_tcp()
399 	BCOPY(ip, &cs->cs_ip, hlen);  in sl_compress_tcp()
479 		BCOPY(ip, &cs->cs_ip, hlen);  in sl_uncompress_tcp_core()
482 		*hdrp = (u_char *) &cs->cs_ip;  in sl_uncompress_tcp_core()
514 	hlen = cs->cs_ip.ip_hl << 2;  in sl_uncompress_tcp_core()
515 	th = (struct tcphdr *)&((u_char *)&cs->cs_ip)[hlen];  in sl_uncompress_tcp_core()
526 		u_int i = ntohs(cs->cs_ip.ip_len) - cs->cs_hlen;  in sl_uncompress_tcp_core()
533 		th->th_seq = htonl(ntohl(th->th_seq) + ntohs(cs->cs_ip.ip_len)  in sl_uncompress_tcp_core()
552 		DECODES(cs->cs_ip.ip_id)  in sl_uncompress_tcp_core()
554 		cs->cs_ip.ip_id = htons(ntohs(cs->cs_ip.ip_id) + 1);  in sl_uncompress_tcp_core()
569 	cs->cs_ip.ip_len = htons(total_len);  in sl_uncompress_tcp_core()
572 	bp = (u_int16_t *) &cs->cs_ip;  in sl_uncompress_tcp_core()
573 	cs->cs_ip.ip_sum = 0;  in sl_uncompress_tcp_core()
578 	cs->cs_ip.ip_sum = ~ changes;  in sl_uncompress_tcp_core()
580 	*hdrp = (u_char *) &cs->cs_ip;  in sl_uncompress_tcp_core()