[MEDIUM] moved stats and buffer generic functions to new files

Neither the primitives used to write data to a buffer, nor the stats
dump functions are HTTP-specific anymore. Move them to dedicated
files
diff --git a/include/proto/senddata.h b/include/proto/senddata.h
new file mode 100644
index 0000000..5cb5b64
--- /dev/null
+++ b/include/proto/senddata.h
@@ -0,0 +1,40 @@
+/*
+  include/proto/senddata.h
+  This file contains definitions of some primitives to send data to
+  clients over a socket and a buffer.
+
+  Copyright (C) 2000-2007 Willy Tarreau - w@1wt.eu
+  
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation, version 2.1
+  exclusively.
+
+  This library 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _PROTO_SENDDATA_H
+#define _PROTO_SENDDATA_H
+
+#include <common/config.h>
+#include <types/buffers.h>
+#include <types/session.h>
+
+void client_retnclose(struct session *s, const struct chunk *msg);
+void client_return(struct session *s, const struct chunk *msg);
+
+#endif /* _PROTO_SENDDATA_H */
+
+/*
+ * Local variables:
+ *  c-indent-level: 8
+ *  c-basic-offset: 8
+ * End:
+ */