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GCNODEBDD(3)			 BDD functions			  GCNODEBDD(3)

NAME
       gcNodeBdd - does	a garbage collection

SYNOPSIS
       #include	"logmmm.h"
       void gcNodeBdd(pt)
       chain_list *pt;

PARAMETER
       pt		   chained list	of BDD to rescue

DESCRIPTION
       gcNodeBdd()  removes  all the nodes that	aren't used in the BDD pointed
       in the chained list pt.

EXAMPLE
       #include	"mutnnn.h"	/* mbk utilities */
       #include	"logmmm.h"
       pNode nodeA,nodeB,nodeC;
       pNode res1,res2;
       chain_list *ptCL;

       initializeBdd(SMALL_BDD);
       nodeA = createNodeTermBdd(3);
       nodeB = createNodeTermBdd(3);
       nodeC = createNodeTermBdd(4);

       res1 = applyBinBdd(OR,applyBinBdd(OR,nodeA,nodeB),nodeC);
       res2 = applyBinBdd(AND,applyBinBdd(AND,nodeA,nodeB),nodeC);
       printf("number of nodes in memory = %d",numberAllNodeBdd());

       /* it will display
       7
       */
       ptCL = addchain(NULL,res1);
       gcNodeBdd(ptCL);		/* only	res1 nodes are saved */

       freechain(ptCL);
       printf("number of nodes in memory = %d",numberAllNodeBdd());

       /* it will display
       number of nodes in memory = 5
       */
       destroyBdd(1);

SEE ALSO
       log(1),	bdd(1),	 markBdd(3),  supportChain_listBdd(3),	markAllBdd(3),
       numberNodeBdd(3),

ASIM/LIP6			October	1, 1997			  GCNODEBDD(3)

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<https://man.freebsd.org/cgi/man.cgi?query=gcNodeBdd&sektion=3&manpath=FreeBSD+Ports+15.0>

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