+#ifdef SO_BINDTODEVICE
+ if (obj->device != NULL)
+ {
+ if (setsockopt (ph->fd, SOL_SOCKET, SO_BINDTODEVICE,
+ obj->device, strlen (obj->device) + 1) != 0)
+ {
+#if WITH_DEBUG
+ char errbuf[PING_ERRMSG_LEN];
+ dprintf ("setsockopt: %s\n",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+#endif
+ ping_set_errno (obj, errno);
+ close (ph->fd);
+ ph->fd = -1;
+ continue;
+ }
+ }
+#endif /* SO_BINDTODEVICE */
+