196   if (ip->ip_src.s_addr != cs->cs_ip.ip_src.s_addr ||  in sl_compress_tcp()
197       ip->ip_dst.s_addr != cs->cs_ip.ip_dst.s_addr ||  in sl_compress_tcp()
198       *(int *) th != ((int *) &cs->cs_ip)[cs->cs_ip.ip_hl]) {  in sl_compress_tcp()
217       if (ip->ip_src.s_addr == cs->cs_ip.ip_src.s_addr  in sl_compress_tcp()
218 	  && ip->ip_dst.s_addr == cs->cs_ip.ip_dst.s_addr  in sl_compress_tcp()
219 	  && *(int *) th == ((int *) &cs->cs_ip)[cs->cs_ip.ip_hl])  in sl_compress_tcp()
263   oth = (struct tcphdr *) & ((int *) &cs->cs_ip)[hlen];  in sl_compress_tcp()
270   if (((u_short *) ip)[0] != ((u_short *) & cs->cs_ip)[0] ||  in sl_compress_tcp()
271       ((u_short *) ip)[3] != ((u_short *) & cs->cs_ip)[3] ||  in sl_compress_tcp()
272       ((u_short *) ip)[4] != ((u_short *) & cs->cs_ip)[4] ||  in sl_compress_tcp()
275        memcmp(ip + 1, &cs->cs_ip + 1, (deltaS - 5) << 2)) ||  in sl_compress_tcp()
331     if (ip->ip_len != cs->cs_ip.ip_len &&  in sl_compress_tcp()
332 	ntohs(cs->cs_ip.ip_len) == hlen)  in sl_compress_tcp()
348 	deltaS == ntohs(cs->cs_ip.ip_len) - hlen) {  in sl_compress_tcp()
356     if (deltaS == ntohs(cs->cs_ip.ip_len) - hlen) {  in sl_compress_tcp()
364   deltaS = ntohs(ip->ip_id) - ntohs(cs->cs_ip.ip_id);  in sl_compress_tcp()
377   memcpy(&cs->cs_ip, ip, hlen);  in sl_compress_tcp()
420   memcpy(&cs->cs_ip, ip, hlen);  in sl_compress_tcp()
459     memcpy(&cs->cs_ip, ip, hlen);  in sl_uncompress_tcp()
499   hlen = cs->cs_ip.ip_hl << 2;  in sl_uncompress_tcp()
500   th = (struct tcphdr *) & ((u_char *) & cs->cs_ip)[hlen];  in sl_uncompress_tcp()
511       register u_int i = ntohs(cs->cs_ip.ip_len) - cs->cs_hlen;  in sl_uncompress_tcp()
519     th->th_seq = htonl(ntohl(th->th_seq) + ntohs(cs->cs_ip.ip_len)  in sl_uncompress_tcp()
541     DECODES(cs->cs_ip.ip_id)  in sl_uncompress_tcp()
543     cs->cs_ip.ip_id = htons(ntohs(cs->cs_ip.ip_id) + 1);  in sl_uncompress_tcp()
546 	    cs->cs_ip.ip_id, (u_long)ntohl(th->th_seq));  in sl_uncompress_tcp()
565   cs->cs_ip.ip_len = htons(len);  in sl_uncompress_tcp()
568   cs->cs_ip.ip_sum = 0;  in sl_uncompress_tcp()
569   bp = (u_short *)&cs->cs_ip;  in sl_uncompress_tcp()
574   cs->cs_ip.ip_sum = ~changes;  in sl_uncompress_tcp()
577   memcpy(*bufp, &cs->cs_ip, cs->cs_hlen);  in sl_uncompress_tcp()