+/* implementation for FreeBSD */
+#ifdef __FreeBSD__
+ struct ifaddrs *ifap, *ifaphead;
+ int rtnerr;
+ const struct sockaddr_dl *sdl;
+ caddr_t ap;
+ int alen;
+
+ rtnerr = getifaddrs(&ifaphead);
+ if (rtnerr) {
+ //perror(NULL);
+ return -1;
+ }
+
+ for (ifap = ifaphead; ifap; ifap = ifap->ifa_next) {
+
+ if (ifap->ifa_addr->sa_family == AF_LINK) {
+ sdl = (const struct sockaddr_dl *) ifap->ifa_addr;
+ ap = ((caddr_t)((sdl)->sdl_data + (sdl)->sdl_nlen));
+ alen = sdl->sdl_alen;
+ if (ap && alen > 0) {
+ int i;
+
+ //printf ("%s:", ifap->ifa_name);
+ //for (i = 0; i < alen; i++, ap++)
+ {
+ //printf("%c%02x", i > 0 ? ':' : ' ', 0xff&*ap);
+ }
+ bcopy( ap, addr, 6);
+ //putchar('\n');
+ }
+ }
+ }
+ //putchar('\n');
+
+ freeifaddrs(ifaphead);
+ return 0;
+#endif //FreeBSD
+