// Comparator.hh -- contains the type definition for a comparator.

#ifndef COMPARATOR_HH
#define COMPARATOR_HH

/**
 * The type definition for a comparator function pointer.
 * Comparator functions should compare the semantic values of
 * obj1 and obj2 returning a value x such that:
 * 	x > 0  if  obj1 > obj2
 * 	x = 0  if  obj1 == obj2
 * 	x < 0  if  obj1 < obj2
 */
typedef int (*Comparator)(const void *obj1, const void *obj2);

#endif /* COMPARATOR_HH */