438 	int b = 0, mlen, j, m0;  in rn_addmask()  local
443 	mlen = sizeof (struct sockaddr);  in rn_addmask()
446 	if (mlen <= skip)  in rn_addmask()
450 	if ((m0 = mlen) > skip)  in rn_addmask()
451 		(void) memmove(addmask_key + skip, netmask + skip, mlen - skip);  in rn_addmask()
455 	for (cp = addmask_key + mlen; (cp > addmask_key) && cp[-1] == 0; )  in rn_addmask()
457 	mlen = cp - addmask_key;  in rn_addmask()
458 	if (mlen <= skip) {  in rn_addmask()
460 			last_zeroed = mlen;  in rn_addmask()
465 	*addmask_key = last_zeroed = mlen;  in rn_addmask()
467 	if (memcmp(addmask_key, x->rn_key, mlen) != 0)  in rn_addmask()
475 	(void) memmove(cp, addmask_key, mlen);  in rn_addmask()
489 	cplim = netmask + mlen;  in rn_addmask()