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diff --git a/source4/libcli/composite/composite.h b/source4/libcli/composite/composite.h
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+++ b/source4/libcli/composite/composite.h
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+/* 
+   Unix SMB/CIFS implementation.
+
+   SMB composite request interfaces
+
+   Copyright (C) Andrew Tridgell 2005
+   
+   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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+  this defines the structures associated with "composite"
+  requests. Composite requests are libcli requests that are internally
+  implemented as multiple libcli/raw/ calls, but can be treated as a
+  single call via these composite calls. The composite calls are
+  particularly designed to be used in async applications
+*/
+
+
+struct smbcli_composite {
+	/* the external state - will be queried by the caller */
+	enum smbcli_request_state state;
+
+	/* the internal stage */
+	uint16_t stage;
+
+	/* the currently running sub-request */
+	struct smbcli_request *req;
+
+	/* the current requests parameter block */
+	void *req_parms;
+
+	/* the parameters of the whole composite function */
+	void *composite_parms;
+
+	/* status code when finished */
+	NTSTATUS status;
+
+	/* information on what to do on completion */
+	struct {
+		void (*fn)(struct smbcli_composite *);
+		void *private;
+	} async;
+	
+};
+
+
+/*
+  a composite open/read(s)/close request that loads a whole file
+  into memory. Used as a demo of the composite system.
+*/
+struct smb_composite_loadfile {
+	struct {
+		const char *fname;
+	} in;
+	struct {
+		uint8_t *data;
+		uint32_t size;
+	} out;
+};