#ifndef SORT_H_
#define SORT_H_

int issort(void *data, int size, int esize, int (*compare)(const void *key1,
                                                           const void 
*key2));

int qksort(void *data, int size, int esize, int i, int k, int (*compare)
           (const void *key1, const void *key2));

#endif //SORT_H_