1996-08-28 03:59:28 +02:00
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/*-------------------------------------------------------------------------
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*
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1999-02-14 00:22:53 +01:00
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* nodeFuncs.h
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1997-09-07 07:04:48 +02:00
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*
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1996-08-28 03:59:28 +02:00
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*
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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1999-07-16 01:04:24 +02:00
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* $Id: nodeFuncs.h,v 1.10 1999/07/15 23:03:53 momjian Exp $
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1996-08-28 03:59:28 +02:00
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef NODEFUNCS_H
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#define NODEFUNCS_H
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1999-07-16 01:04:24 +02:00
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#include "nodes/primnodes.h"
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1997-11-25 23:07:18 +01:00
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1997-09-08 23:56:23 +02:00
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extern bool single_node(Node *node);
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extern bool var_is_outer(Var *var);
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extern bool var_is_rel(Var *var);
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extern Oper *replace_opid(Oper *oper);
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extern bool non_null(Expr *c);
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1996-08-28 03:59:28 +02:00
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1998-09-01 06:40:42 +02:00
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#endif /* NODEFUNCS_H */
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