diff --git a/h/Makefile b/h/Makefile
new file mode 100644
index 000000000..d94a71ac2
--- /dev/null
+++ b/h/Makefile
@@ -0,0 +1,10 @@
+install cmp:
+
+opr:
+	make pr | opr
+
+pr:
+	@pr Makefile *.h
+
+clean:
+	-rm -f *.old
diff --git a/h/arch.h b/h/arch.h
new file mode 100644
index 000000000..0c8e9bff3
--- /dev/null
+++ b/h/arch.h
@@ -0,0 +1,12 @@
+#define	ARMAG	0177545
+struct	ar_hdr {
+	char	ar_name[14];
+	long	ar_date;
+	char	ar_uid;
+	char	ar_gid;
+	int	ar_mode;
+	long	ar_size;
+};
+
+#define AR_TOTAL	26
+#define AR_SIZE		22