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 );