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SUBSTDUPABLEXPR(3)		 ABL FUNCTIONS		    SUBSTDUPABLEXPR(3)

NAME
       substdupablexpr - substitutes a given atom by an	expression.

SYNOPSIS
       #include	"abl101.h"
       chain_list *substdupablexpr( Expr1, Name, Expr2 )
	 chain_list *Expr1;
	 char	    *Name;
	 chain_list *Expr2;

PARAMETERS
       Expr1		   First expression.

       Name		   Atom	name.

       Expr		   Second expression.

DESCRIPTION
       substdupablexpr duplicates and substitutes Atom in Expr1	by Expr2.

RETURN VALUE
       substdupablexpr returns the duplicated and modified expression.

EXAMPLE
       #include	"abl101.h"
	 chain_list *Expr1;
	 chain_list *Expr2;
	 chain_list *Expr3;
	 Expr1 = createablbinexpr( ABL_OR,
				   createablatom( "a" ),
				   createablatom( "b" )	);
	 Expr2 = createablbinexpr( ABL_AND,
				   createablatom( "c" ),
				   createablatom( "d" )	);
	 Expr3 = substdupablexpr( Expr1, "a", Expr2 );
	 /* displays ((c and d)	or b) */
	 viewablexpr( Expr1, ABL_VIEW_VHDL );

SEE ALSO
       abl(1), substablexpr(3).

ASIM/LIP6			October	1, 1997		    SUBSTDUPABLEXPR(3)

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