ack subdir for combined ack/gcc library build

lib/ack/fphook/adder.h

@@ -0,0 +1,15 @@
+/*
+  (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
+  See the copyright notice in the ACK home directory, in the file "Copyright".
+*/
+
+/* $Header$ */
+
+/*
+ *	include file for 32 & 64 bit addition
+ */
+
+typedef	struct	B64 {
+	unsigned long	h_32;	/* higher 32 bits of 64 */
+	unsigned long	l_32;	/* lower  32 bits of 64 */
+}	B64;