#ifndef _UTIL_H
#define _UTIL_H
#include <stddef.h>
#define MAX(A, B) ((A) > (B) ? (A) : (B))
#define MIN(A, B) ((A) < (B) ? (A) : (B))
#define BETWEEN(X, A, B) ((A) <= (X) && (X) <= (B))
void *ecalloc(size_t nmemb, size_t size);
#endif // _UTIL_H