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diff --git a/src/tet3/inc/config.h b/src/tet3/inc/config.h
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+/*
+ *	SCCS: @(#)config.h	1.2 (96/11/04)
+ *
+ *	UniSoft Ltd., London, England
+ *
+ * (C) Copyright 1996 X/Open Company Limited
+ *
+ * All rights reserved.  No part of this source code may be reproduced,
+ * stored in a retrieval system, or transmitted, in any form or by any
+ * means, electronic, mechanical, photocopying, recording or otherwise,
+ * except as stated in the end-user licence agreement, without the prior
+ * permission of the copyright owners.
+ * A copy of the end-user licence agreement is contained in the file
+ * Licence which accompanies this distribution.
+ * 
+ * X/Open and the 'X' symbol are trademarks of X/Open Company Limited in
+ * the UK and other countries.
+ */
+
+/************************************************************************
+
+SCCS:   	@(#)config.h	1.2 (96/11/04) TETware release 3.3
+NAME:		config.h
+PRODUCT:	TETware
+AUTHOR:		Andrew Dingwall, UniSoft Ltd.
+DATE CREATED:	August 1996
+
+DESCRIPTION:
+	a header file for use with configuration requests
+	in tcc and tccd
+
+MODIFICATIONS:
+
+************************************************************************/
+
+/* structure of a configuration list */
+struct cflist {
+	char **cf_conf;		/* ptr to the start of the list */
+	int cf_lconf;		/* no of bytes in *cf_conf */
+	int cf_nconf;		/* no of entries in *cf_conf */
+};
+
+/* configuration modes - used to select a config list or file name */
+#define CONF_BUILD	1
+#define CONF_EXEC	2
+#define CONF_CLEAN	3
+#define CONF_DIST	4
+
+/*
+** macro to translate a config mode to an offset in an array of config
+** lists or file names
+**
+** this macro is also used to generate the mode field in a journal
+** Configuration Start line (see jnl_mode() in tcc/journal.c)
+*/
+#define TC_CONF_MODE(n)		((n) - 1)
+
+/*
+** macro to see if a config mode is valid for a particular array
+** of config lists or file names
+*/
+#define CONF_MODE_OK(mode, array) \
+	(TC_CONF_MODE(mode) >= 0 && \
+		TC_CONF_MODE(mode) < (sizeof array / sizeof array[0]))
+
+/*
+** tccd configuration modes values used with OP_CONFIG and
+** OP_SETCONF requests to define or select a per-mode configuration
+*/
+
+#define TC_CONF_BUILD	CONF_BUILD
+#define TC_CONF_EXEC	CONF_EXEC
+#define TC_CONF_CLEAN	CONF_CLEAN
+
+/* number of configuration modes */
+#define TC_NCONF_MODES	3
+
+/* extern function declarations */
+extern int tet_tcxconfig PROTOLIST((int, char *, struct cflist *,
+	struct cflist *, struct cflist *));
+