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DUPABLEXPR(3)			  ABL FUNCTIONS 		   DUPABLEXPR(3)

NAME
     dupablexpr - duplicates an expression.

SYNOPSIS
     #include "abl101.h"
     chain_list *dupablexpr( Expr )
       chain_list *Expr;

PARAMETERS
     Expr		 Expression to duplicate.

DESCRIPTION
     dupablexpr duplicates the expression Expr.

RETURN VALUE
     dupablexpr returns the duplicated expression.

EXAMPLE
     #include "abl101.h"
       chain_list *ExprAorB;
       chain_list *ExprAnorB;
       ExprAorB = createabloper( ABL_OR );
       addablhexpr( ExprAorB, createablatom( "a" ) );
       addablhexpr( ExprAorB, createablatom( "b" ) );
       ExprAnorB = createablnotexpr( dupablexpr( ExprAorB ) );
       /* displays (a or b) (a nor b) */
       viewablexpr( ExprAorB, ABL_VIEW_VHDL );
       viewablexpr( ExprAnorB, ABL_VIEW_VHDL );

SEE ALSO
     abl(1), delablexpr(3), freeablexpr(3).

ASIM/LIP6			 October 1, 1997		   DUPABLEXPR(3)

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