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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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#ifndef _STDARG_H
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#define _STDARG_H
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#include <ansi_compat.h>
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/*
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DEFINITION OF VA_LIST
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The definition of va_list is copied from the system header.
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*/
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#ifndef _VA_LIST_
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#define _VA_LIST_
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typedef char *va_list ;
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#endif
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#ifndef __BUILDING_TDF_ANSI_STDARG_H_VA_ARGS
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/*
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TOKEN DECLARATIONS
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The tokens __va_t, __va_start, va_arg and va_end are as in the
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ansi:stdarg header. The only difference is that va_list is defined
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as its implementation type, rather than being a tokenised type.
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*/
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#pragma token TYPE __va_t # ~__va_t
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#pragma token PROC ( EXP rvalue : __va_t : ) EXP rvalue : va_list : __va_start # ansi.stdarg.__va_start
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#pragma token PROC ( EXP lvalue : va_list : e , TYPE t ) EXP rvalue : t : va_arg # ansi.stdarg.va_arg
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#pragma token PROC ( EXP lvalue : va_list : ) EXP rvalue : void : va_end # ansi.stdarg.va_end
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#pragma interface __va_t __va_start va_arg va_end
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/*
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DEFINITION OF VA_START
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How va_start is defined in terms of __va_start depends on whether
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this is stdarg.h or varargs.h.
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*/
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#pragma TenDRA ident ... allow
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#ifdef __HACKED_VARARGS
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#define va_alist ...
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#define va_dcl
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#define va_start( l ) ( ( void ) ( l = __va_start ( ... ) ) )
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#else
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#define va_start( l, i ) ( ( void ) ( l = __va_start ( ... ) ) )
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#endif
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#else /* __BUILDING_TDF_ANSI_STDARG_H_VA_ARGS */
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/*
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IMPLEMENTATION OF STDARG
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This implementation basically works, and avoids the built-in
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operators defined in the system header.
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*/
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#define va_end( VL ) ((void)0)
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#define va_start( VL, VP ) (VL = \
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(va_list) (sizeof(VP)?(sizeof(VP) > 4 ? ((int)&VP + 2*8 - 1) & -8 \
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: ((int)&VP + 2*4 - 1) & -4):(int)&VP))
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#define va_arg( VL, VM ) ((VM *)(VL = \
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(va_list) (sizeof(VM)?(sizeof(VM) > 4 ? ((int)VL + 2*8 - 1) & -8 \
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: ((int)VL + 2*4 - 1) & -4):(int)VL)))[-1]
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#endif /* __BUILDING_TDF_ANSI_STDARG_H_VA_ARGS */
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#endif /* _STDARG_H */
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