#ifndef COUNTERS_H

 #define COUNTERS_H

 #include <glib.h>

 struct counters {

     GTree *matching;

     long quot;

     int c_unders;

 };

 void increment_matching(struct counters *counters,gunichar ch,gboolean open);

 int matching_count(const struct counters *counters,gunichar ch,gboolean open);

 int matching_difference(const struct counters *counters,gunichar ch);

 void counters_destroy(struct counters *counters);

 #endif /* COUNTERS_H */