/*
 * label.h   --  Defines label_t 
 *
 *               = Datatype for label (= ID number) identifying
 *                 one four-connected component.
 */

#ifndef _LABEL_H_
#define _LABEL_H_


typedef unsigned int label_t;

#define LABEL_EMPTY 0  /* Value for unused label number.  */



#endif /*_LABEL_H_ */