krb4name = "kerberos4";
sp = getservbyname(krb4name, "udp");
taddr.sin_family = AF_INET; /* added for NCR port */
+#ifdef STRUCT_SOCKADDR_HAS_SA_LEN
+ taddr.sin_len = sizeof(struct sockaddr_in);
+#endif
if ( !sp )
{
/* if kerberos-4 is not available, try "kerberos-iv" */