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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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#ifndef UTILITY_INCLUDED
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#ifndef UTILITY_INCLUDED
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#define UTILITY_INCLUDED
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#define UTILITY_INCLUDED
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/*
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/*
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    TEMPORARY WORK SPACE
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 * TEMPORARY WORK SPACE
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 *
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    This is used as a scratch work area.
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 * This is used as a scratch work area.
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*/
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 */
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extern char *buffer ;
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extern char *buffer;
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#define buffer_size	5000
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#define buffer_size	5000
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/*
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 * Hash implementation
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 */
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typedef struct _htnode {
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	struct _htnode *next;
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	char *val;
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	char *key;
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	unsigned int  flag;
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	char *file;
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	int  line_num;
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} htnode;
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#define TCCENV	0x01U
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#define USR	0x02U
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#define READ	0x04U
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typedef struct _hashtable {
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	htnode **node;
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	int tblsize;
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	int keysize; /* max length of key to hash */
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	int (*hashfcn)(char*, int, int);
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} hashtable;
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/*
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/*
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    PROCEDURE DECLARATIONS
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 * PROCEDURE DECLARATIONS
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 *
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    These routines are concerned with error reporting and memory
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 * These routines are concerned with error reporting and memory allocation.
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    allocation.
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*/
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 */
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extern void error PROTO_W ( ( int, char *, ... ) ) ;
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extern void error(int, char *, ...);
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extern void comment PROTO_W ( ( int, char *, ... ) ) ;
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extern void comment(int, char *, ...);
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extern char* find_path_subst(char *);
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extern int hash(char *, int, int);
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extern hashtable *init_table(int, int, int (*fcn)(char *, int, int));
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extern htnode *lookup_table(hashtable *, char *);
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extern pointer xalloc PROTO_S ( ( int ) ) ;
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extern pointer xalloc(int);
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extern pointer xrealloc PROTO_S ( ( pointer, int ) ) ;
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extern pointer xrealloc(pointer, int);
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extern char *string_append(char *, char *, char);
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extern char *string_copy PROTO_S ( ( char * ) ) ;
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extern char *string_copy(char *);
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extern char *string_concat PROTO_S ( ( char *, char * ) ) ;
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extern char *string_concat(char *, char *);
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extern htnode *update_table(hashtable *, char *, char *, unsigned int, char *,
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			    int);
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/*
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/*
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    ERROR VARIABLES
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 * ERROR VARIABLES
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 *
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    These variables are concerned with error reporting.
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 * These variables are concerned with error reporting.
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*/
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 */
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extern int exit_status ;
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extern int exit_status;
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extern char *progname ;
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extern char *progname;
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/*
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 * SUBSTITUTION VARIABLES
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 *
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 * This is Table 5.
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 */
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static char *PATH_SUBS[] = {
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	"TENDRA_MACHDIR",
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	"TENDRA_BINDIR",
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	"TENDRA_ENVDIR",
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	"TENDRA_LIBDIR",
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	"TENDRA_INCLDIR",
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	"TENDRA_STARTUPDIR",
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	"TENDRA_TMPDIR",
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	"TENDRA_BASEDIR",
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	"TENDRA_SRCDIR",
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	NULL
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};
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/*
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/*
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    ERROR TYPES
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 * ERROR TYPES
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 *
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    These values give the severity levels for the error reporting
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 * These values give the severity levels for the error reporting routine,
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    routine, error.
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 * error.
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*/
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 */
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#define FATAL		0
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#define FATAL		0
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#define INTERNAL	1
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#define INTERNAL	1
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#define SERIOUS		2
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#define SERIOUS		2
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#define OPTION		3
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#define OPTION		3
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#define WARNING		4
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#define WARNING		4
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#define INFO		5
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#define INFO		5
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/*
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/*
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    UTILITY MACROS
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 * UTILITY MACROS
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 *
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    These macros give convenient shorthands for various constructs.
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 * These macros give convenient shorthands for various constructs.
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*/
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 */
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#define alloc_size( T, N )\
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#define alloc_size(T, N)	((int)(N) * (int)sizeof(T))
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    ( ( int ) ( N ) * ( int ) sizeof ( T ) )
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#define alloc_nof( T, N )\
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    ( T * ) xalloc ( alloc_size ( T, N ) )
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#define alloc_nof(T, N)		(T *)xalloc(alloc_size(T, N))
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#define realloc_nof( P, T, N )\
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    ( T * ) xrealloc ( ( pointer ) ( P ), alloc_size ( T, N ) )
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#define realloc_nof(P, T, N)	(T *)xrealloc((pointer)(P), alloc_size(T, N))
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#define array_size( A )\
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    ( ( int ) sizeof ( A ) / ( int ) sizeof ( A [0] ) )
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#define array_size(A)		((int)sizeof(A) / (int)sizeof(A[0]))
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#endif
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#endif