1 files changed, 65 insertions, 0 deletions
diff --git a/REORG.TODO/manual/examples/filesrv.c b/REORG.TODO/manual/examples/filesrv.c
new file mode 100644
index 0000000000..9cf3d0ee91
--- /dev/null
+++ b/REORG.TODO/manual/examples/filesrv.c
@@ -0,0 +1,65 @@
+/* Datagram Socket Example
+   Copyright (C) 1991-2017 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#define SERVER	"/tmp/serversocket"
+#define MAXMSG	512
+
+int
+main (void)
+{
+  int sock;
+  char message[MAXMSG];
+  struct sockaddr_un name;
+  size_t size;
+  int nbytes;
+
+  /* Remove the filename first, it's ok if the call fails */
+  unlink (SERVER);
+
+  /* Make the socket, then loop endlessly. */
+  sock = make_named_socket (SERVER);
+  while (1)
+    {
+      /* Wait for a datagram. */
+      size = sizeof (name);
+      nbytes = recvfrom (sock, message, MAXMSG, 0,
+			 (struct sockaddr *) & name, &size);
+      if (nbytes < 0)
+	{
+	  perror ("recfrom (server)");
+	  exit (EXIT_FAILURE);
+	}
+
+      /* Give a diagnostic message. */
+      fprintf (stderr, "Server: got message: %s\n", message);
+
+      /* Bounce the message back to the sender. */
+      nbytes = sendto (sock, message, nbytes, 0,
+		       (struct sockaddr *) & name, size);
+      if (nbytes < 0)
+	{
+	  perror ("sendto (server)");
+	  exit (EXIT_FAILURE);
+	}
+    }
+}