NAME

addbddvarfirst - adds a new variable, before all others.

See the file buster/alliance/alc_origin.1.en.gz.

SYNOPSYS

#include "bdd101.h"
bddnode ∗addbddvarfirst( BddSystem )


  bddsystem ∗BddSystem;

PARAMETERS

BddSystem: The bdd system.

DESCRIPTION

addbddvarfirst creates a new variable, with the number 0, in the bdd system BddSystem. If a null pointer is given, the default bdd system is used.

RETURN VALUE

addbddvarfirst returns a pointer to the bdd node of the new variable.

ERRORS

"no more variables, error !"

There is no variable number left.

EXAMPLE

#include "bdd101.h"


   bddsystem  ∗BddSystem;


   bddnode    ∗BddNode;


   BddSystem  = createbddsystem( 100, 1000, 100, 50000 );


   BddNode = addbddvarfirst( (bddsystem ∗)0 );


   destroybddsystem( (bddsystem ∗)0 );