1 files changed, 2 insertions, 5 deletions
diff --git a/util.h b/util.h
index c05f038..cded043 100644
--- a/util.h
+++ b/util.h
@@ -1,11 +1,8 @@
 /* See LICENSE file for copyright and license details. */
 
-#ifndef MAX
 #define MAX(A, B)               ((A) > (B) ? (A) : (B))
-#endif
-
-#ifndef MIN
 #define MIN(A, B)               ((A) < (B) ? (A) : (B))
-#endif
+#define BETWEEN(X, A, B)        ((A) <= (X) && (X) <= (B))
 
 void die(const char *errstr, ...);
+void *ecalloc(size_t, size_t);