Add code to always reply using the queried IP address, if the OS

makes it possible.

tftpd/recvfrom.h

@@ -0,0 +1,28 @@
+/* $Id$ */
+/* ----------------------------------------------------------------------- *
+ *   
+ *   Copyright 2001 H. Peter Anvin - All Rights Reserved
+ *
+ *   This program is free software available under the same license
+ *   as the "OpenBSD" operating system, distributed at
+ *   http://www.openbsd.org/.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * recvfrom.h
+ *
+ * Header for recvfrom substitute
+ *
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+
+int
+myrecvfrom(int s, void *buf, int len, unsigned int flags,
+	   struct sockaddr *from, int *fromlen,
+	   struct sockaddr_in *myaddr);