NAME

       dupablexpr - duplicates an expression.

SYNOPSYS

       #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).