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/* Evaluation Environment */
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/* Evaluation Environment */
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LibExtern SEXP	R_CurrentExpr;	    /* Currently evaluating expression */
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LibExtern SEXP	R_CurrentExpr;	    /* Currently evaluating expression */
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extern SEXP	R_ReturnedValue;    /* Slot for return-ing values */
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extern SEXP	R_ReturnedValue;    /* Slot for return-ing values */
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extern SEXP*	R_SymbolTable;	    /* The symbol table */
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extern SEXP*	R_SymbolTable;	    /* The symbol table */
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extern RCNTXT	R_Toplevel;	    /* Storage for the toplevel environment */
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LibExtern RCNTXT R_Toplevel;	    /* Storage for the toplevel environment */
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extern RCNTXT*	R_ToplevelContext;  /* The toplevel environment */
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LibExtern RCNTXT* R_ToplevelContext;  /* The toplevel environment */
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extern RCNTXT*	R_GlobalContext;    /* The global environment */
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LibExtern RCNTXT* R_GlobalContext;    /* The global environment */
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LibExtern int	R_Visible;	    /* Value visibility flag */
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LibExtern int	R_Visible;	    /* Value visibility flag */
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LibExtern int	R_EvalDepth	INI_as(0);	/* Evaluation recursion depth */
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LibExtern int	R_EvalDepth	INI_as(0);	/* Evaluation recursion depth */
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extern int	R_EvalCount	INI_as(0);	/* Evaluation count */
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extern int	R_EvalCount	INI_as(0);	/* Evaluation count */
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extern int	R_BrowseLevel	INI_as(0);	/* how deep the browser is */
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extern int	R_BrowseLevel	INI_as(0);	/* how deep the browser is */
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