card.h

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#ifndef __CARD__
#define __CARD__

extern int NODECARD;
extern int LEAFCARD;

/* balance criteria for node splitting */
/* NOTE: can be changed if needed. */
#define MinNodeFill (NODECARD / 2)
#define MinLeafFill (LEAFCARD / 2)

#define MAXKIDS(n) ((n)->level > 0 ? NODECARD : LEAFCARD)
#define MINFILL(n) ((n)->level > 0 ? MinNodeFill : MinLeafFill)

#endif