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/*
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Crown Copyright (c) 1997
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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it may be put.
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*/
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/*** key.h --- Key ADT.
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*
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** Author: Steve Folkes <smf@hermes.mod.uk>
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*
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*** Commentary:
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*
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* See the file "key.c" for more information.
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*
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*** Change Log:
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* $Log: key.h,v $
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* Revision 1.1.1.1 1998/01/17 15:57:46 release
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* First version to be checked into rolling release.
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*
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* Revision 1.2 1994/12/15 09:58:21 smf
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* Brought into line with OSSG C Coding Standards Document, as per
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* "CR94_178.sid+tld-update".
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*
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* Revision 1.1.1.1 1994/07/25 16:04:35 smf
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* Initial import of SID 1.8 non shared files.
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*
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**/
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/****************************************************************************/
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#ifndef H_KEY
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#define H_KEY
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#include "os-interface.h"
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#include "dstring.h"
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/*--------------------------------------------------------------------------*/
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#ifdef FS_NO_ENUM
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typedef int KeyTypeT, *KeyTypeP;
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#define KT_STRING (0)
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#define KT_NUMERIC (1)
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#else
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typedef enum {
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KT_STRING,
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KT_NUMERIC
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} KeyTypeT, *KeyTypeP;
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#endif /* defined (FS_NO_ENUM) */
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typedef struct KeyT {
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KeyTypeT type;
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NStringT string;
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unsigned number;
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} KeyT, *KeyP;
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/*--------------------------------------------------------------------------*/
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extern void key_init_from_string
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PROTO_S ((KeyP, NStringP, unsigned));
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extern void key_init_from_number
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PROTO_S ((KeyP, unsigned));
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extern CmpT key_compare
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PROTO_S ((KeyP, KeyP));
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extern BoolT key_is_string
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PROTO_S ((KeyP));
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extern NStringP key_get_string
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PROTO_S ((KeyP));
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extern unsigned key_get_number
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PROTO_S ((KeyP));
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extern unsigned key_hash_value
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PROTO_S ((KeyP));
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extern void write_key
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PROTO_S ((OStreamP, KeyP));
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/*--------------------------------------------------------------------------*/
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#ifdef FS_FAST
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#define key_is_string(k) ((k)->type == KT_STRING)
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#define key_is_number(k) ((k)->type == KT_NUMBER)
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#define key_get_string(k) (&((k)->string))
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#define key_get_number(k) ((k)->number)
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#endif /* defined (FS_FAST) */
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#endif /* !defined (H_KEY) */
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/*
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* Local variables(smf):
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* eval: (include::add-path-entry "../os-interface" "../library")
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* eval: (include::add-path-entry "../generated")
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* end:
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**/
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