@@ -1,4 +1,10 @@
/* $Header$ */
+
+/*
+ * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
+ * See the copyright notice in the ACK home directory, in the file "Copyright".
+ */
abs(i){
return i < 0 ? -i : i;
}
#include <stdio.h>
clearerr(iop)