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/*
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 * Copyright (c) 2002-2005 The TenDRA Project <http://www.tendra.org/>.
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright notice,
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 *    this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
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 *    this list of conditions and the following disclaimer in the documentation
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 *    and/or other materials provided with the distribution.
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 * 3. Neither the name of The TenDRA Project nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific, prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
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 * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * $Id$
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 */
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/*
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/*
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    		 Crown Copyright (c) 1997
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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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    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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    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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    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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    (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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    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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    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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    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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    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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        (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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        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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        (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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        show both the nature of and the organisation responsible
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        for the relevant amendment or amendments;
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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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        (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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        party shall be deemed to be that party's acceptance of
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        these conditions;
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        these conditions;
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        (4) DERA gives no warranty or assurance as to its
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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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        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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        no liability whatsoever in relation to any use to which
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        it may be put.
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        it may be put.
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*/
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*/
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    The routines in this module are concerned with the processing of
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    The routines in this module are concerned with the processing of
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    preprocessing directives.  They include preprocess_file which is the
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    preprocessing directives.  They include preprocess_file which is the
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    stand-alone preprocessing action of the program.
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    stand-alone preprocessing action of the program.
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*/
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*/
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extern int read_preproc_dir PROTO_S ( ( int, int ) ) ;
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extern int read_preproc_dir(int, int);
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extern void patch_preproc_dir PROTO_S ( ( PPTOKEN * ) ) ;
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extern void patch_preproc_dir(PPTOKEN *);
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extern int read_include PROTO_S ( ( int, int ) ) ;
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extern int read_include(int, int);
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extern unsigned check_macro PROTO_S ( ( HASHID, int ) ) ;
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extern unsigned check_macro(HASHID, int);
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extern IDENTIFIER make_assert PROTO_S ( ( HASHID, int ) ) ;
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extern IDENTIFIER make_assert(HASHID, int);
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extern void read_ident PROTO_S ( ( int ) ) ;
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extern void read_ident(int);
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extern void read_weak PROTO_S ( ( int ) ) ;
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extern void read_weak(int);
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extern void preprocess_file PROTO_S ( ( void ) ) ;
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extern void preprocess_file(void);
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extern void start_preproc_if PROTO_S ( ( void ) ) ;
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extern void start_preproc_if (void);
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extern int clear_preproc_if PROTO_S ( ( void ) ) ;
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extern int clear_preproc_if (void);
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extern int patch_cond PROTO_S ( ( int, int ) ) ;
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extern int patch_cond(int, int);
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/*
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/*
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    PREPROCESSING VARIABLES
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    PREPROCESSING VARIABLES
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    These variables are used by the preprocessing routines.
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    These variables are used by the preprocessing routines.
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*/
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*/
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extern int preproc_only ;
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extern int preproc_only;
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extern int preproc_space ;
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extern int preproc_space;
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extern int pragma_number ;
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extern int pragma_number;
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extern int in_preproc_dir ;
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extern int in_preproc_dir;
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extern int no_preproc_dir ;
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extern int no_preproc_dir;
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extern int in_pragma_dir ;
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extern int in_pragma_dir;
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extern int in_hash_if_exp ;
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extern int in_hash_if_exp;
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extern EXP crt_hash_if_exp ;
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extern EXP crt_hash_if_exp;
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extern LOCATION preproc_loc ;
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extern LOCATION preproc_loc;
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extern IDENTIFIER token_macro ;
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extern IDENTIFIER token_macro;
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/*
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/*
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    CONDITIONAL COMPILATION STATES
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    CONDITIONAL COMPILATION STATES
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    In addition a conditional compilation may or may not have associated
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    In addition a conditional compilation may or may not have associated
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    '#else' and '#elif' statements.  There is a special value for indicating
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    '#else' and '#elif' statements.  There is a special value for indicating
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    the end of an individual file.
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    the end of an individual file.
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*/
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*/
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#define PP_FALSE			( ( unsigned ) 0x00 )
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#define PP_FALSE			((unsigned)0x00)
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#define PP_TRUE				( ( unsigned ) 0x01 )
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#define PP_TRUE				((unsigned)0x01)
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#define PP_PAST				( ( unsigned ) 0x02 )
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#define PP_PAST				((unsigned)0x02)
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#define PP_SKIP				( ( unsigned ) 0x03 )
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#define PP_SKIP				((unsigned)0x03)
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#define PP_UNRESOLVED			( ( unsigned ) 0x04 )
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#define PP_UNRESOLVED			((unsigned)0x04)
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#define PP_COND_MASK			( ( unsigned ) 0x0f )
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#define PP_COND_MASK			((unsigned)0x0f)
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#define PP_HAVE_ELSE			( ( unsigned ) 0x10 )
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#define PP_HAVE_ELSE			((unsigned)0x10)
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#define PP_HAVE_ELIF			( ( unsigned ) 0x20 )
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#define PP_HAVE_ELIF			((unsigned)0x20)
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#define PP_TOKEN			( ( unsigned ) 0x40 )
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#define PP_TOKEN			((unsigned)0x40)
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#define PP_END				( ( unsigned ) 0xff )
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#define PP_END				((unsigned)0xff)
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#endif
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#endif