/* This header defines the function for binary search in a sorted array. */
#ifndef BINARY_SEARCH_H
#define BINARY_SEARCH_H

/* Constants. */
#define BINARY_SEARCH_COMPARISON_LARGER_THAN	1
#define BINARY_SEARCH_COMPARISON_EQUAL_TO	0
#define BINARY_SEARCH_COMPARISON_LESS_THAN	-1
#define BINARY_SEARCH_INDEX_NOT_FOUND		-1

/* Function definitions. */
int binary_search(void* array, void* value, int (*comparison_function)(const void*, const void*), const int length, size_t size);

#endif /* BINARY_SEARCH_H */