extern FilterRecordPtr gpb;

#define PINEWHANDLE		gpb->handleProcs->newProc
#define PIDISPOSEHANDLE	gpb->handleProcs->disposeProc
#define PIGETHANDLESIZE	gpb->handleProcs->getSizeProc
#define PISETHANDLESIZE	gpb->handleProcs->setSizeProc
#define PILOCKHANDLE	gpb->handleProcs->lockProc
#define PIUNLOCKHANDLE	gpb->handleProcs->unlockProc

#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MAX(a,b) ((a) > (b) ? (a) : (b))