60 #include "os-proto.h"
64 #define SALEN(sa) ((sa)->sa_len)
67 #define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))  /* to any y */  argument
89 	register struct rt_msghdr *rp;  in findsaddr()  local
107 	rp = &rtmsg.rtmsg;  in findsaddr()
108 	rp->rtm_seq = ++seq;  in findsaddr()
109 	cp = (u_char *)(rp + 1);  in findsaddr()
115 	size = cp - (u_char *)rp;  in findsaddr()
116 	rp->rtm_msglen = size;  in findsaddr()
118 	cc = write(s, (char *)rp, size);  in findsaddr()
132 		memset(rp, 0, size);  in findsaddr()
133 		cc = read(s, (char *)rp, size);  in findsaddr()
140 	} while (rp->rtm_type != RTM_GET || rp->rtm_seq != seq ||  in findsaddr()
141 	    rp->rtm_pid != pid);  in findsaddr()
145 	if (rp->rtm_version != RTM_VERSION) {  in findsaddr()
146 		sprintf(errbuf, "bad version %d", rp->rtm_version);  in findsaddr()
149 	if (rp->rtm_msglen > cc) {  in findsaddr()
150 		sprintf(errbuf, "bad msglen %d > %d", rp->rtm_msglen, cc);  in findsaddr()
153 	if (rp->rtm_errno != 0) {  in findsaddr()
154 		sprintf(errbuf, "rtm_errno: %.128s", strerror(rp->rtm_errno));  in findsaddr()
159 	cp = (u_char *)(rp + 1);  in findsaddr()
161 		if ((i & rp->rtm_addrs) != 0) {  in findsaddr()
166 				if (sa->sa_family == AF_INET) {  in findsaddr()
168 					if (ifa->sin_addr.s_addr != 0) {  in findsaddr()