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   under the terms of the GNU Library General Public License.
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   under the terms of the GNU Library General Public License.
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   GraphApp is distributed in the hope that it will be useful, but
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   GraphApp is distributed in the hope that it will be useful, but
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   WITHOUT ANY WARRANTY.
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   WITHOUT ANY WARRANTY.
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   See the file COPYLIB.TXT for details.
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   See the file COPYLIB.TXT for details.
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   Copyright (C) 2004 The R Foundation
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*/
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*/
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#include "internal.h"
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#include "internal.h"
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/*
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/*
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}
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}
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/*
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/*
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 *  Perform the multi-child tree traversal.
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 *  Perform the multi-child tree traversal.
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 */
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 */
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static object tree_search(object top, HANDLE handle, int id, int key)
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object tree_search(object top, HANDLE handle, int id, int key)
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{
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{
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	object obj, first_object, found = NULL;
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	object obj, first_object, found = NULL;
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	if ((! top) || (! top->child))
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	if ((! top) || (! top->child))
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		return NULL;
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		return NULL;