159 	u_int changes = 0;  in sl_compress_tcp()  local
270 	 * receiver expects changes in the order: urgent, window,  in sl_compress_tcp()
277 		changes |= NEW_U;  in sl_compress_tcp()
288 		changes |= NEW_W;  in sl_compress_tcp()
296 		changes |= NEW_A;  in sl_compress_tcp()
304 		changes |= NEW_S;  in sl_compress_tcp()
307 	switch(changes) {  in sl_compress_tcp()
326 		 * actual changes match one of our special case encodings --  in sl_compress_tcp()
335 			changes = SPECIAL_I;  in sl_compress_tcp()
343 			changes = SPECIAL_D;  in sl_compress_tcp()
352 		changes |= NEW_I;  in sl_compress_tcp()
355 		changes |= TCP_PUSH_BIT;  in sl_compress_tcp()
378 		*cp++ = changes | NEW_C;  in sl_compress_tcp()
383 		*cp++ = changes;  in sl_compress_tcp()
454 	u_int hlen, changes;  in sl_uncompress_tcp_core()  local
495 	changes = *cp++;  in sl_uncompress_tcp_core()
496 	if (changes & NEW_C) {  in sl_uncompress_tcp_core()
518 	if (changes & TCP_PUSH_BIT)  in sl_uncompress_tcp_core()
523 	switch (changes & SPECIALS_MASK) {  in sl_uncompress_tcp_core()
538 		if (changes & NEW_U) {  in sl_uncompress_tcp_core()
543 		if (changes & NEW_W)  in sl_uncompress_tcp_core()
545 		if (changes & NEW_A)  in sl_uncompress_tcp_core()
547 		if (changes & NEW_S)  in sl_uncompress_tcp_core()
551 	if (changes & NEW_I) {  in sl_uncompress_tcp_core()
574 		for (changes = 0; hlen > 0; hlen -= 2)  in sl_uncompress_tcp_core()
575 			changes += *bp++;  in sl_uncompress_tcp_core()
576 		changes = (changes & 0xffff) + (changes >> 16);  in sl_uncompress_tcp_core()
577 		changes = (changes & 0xffff) + (changes >> 16);  in sl_uncompress_tcp_core()
578 	cs->cs_ip.ip_sum = ~ changes;  in sl_uncompress_tcp_core()