1 files changed, 8 insertions, 0 deletions
diff --git a/src/sys2.h b/src/sys2.h
index b1d25f838..a58e94826 100644
--- a/src/sys2.h
+++ b/src/sys2.h
@@ -274,3 +274,11 @@ char *base_name PARAMS ((char const *));
     close_stdout ();							\
     exit (EXIT_SUCCESS);						\
     break;
+
+#ifndef MAX
+# define MAX(a, b) ((a) > (b) ? (a) : (b))
+#endif
+
+#ifndef MIN
+# define MIN(a,b) (((a) < (b)) ? (a) : (b))
+#endif