From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Wed, 8 Jul 2015 20:46:52 -0400
Subject: Initial commit

---
 unix/boot/spp/rpp/ratlibr/clower.r | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 unix/boot/spp/rpp/ratlibr/clower.r

(limited to 'unix/boot/spp/rpp/ratlibr/clower.r')

diff --git a/unix/boot/spp/rpp/ratlibr/clower.r b/unix/boot/spp/rpp/ratlibr/clower.r
new file mode 100644
index 00000000..0f629ea3
--- /dev/null
+++ b/unix/boot/spp/rpp/ratlibr/clower.r
@@ -0,0 +1,18 @@
+include	defs
+
+# clower - change letter to lower case
+
+   character function clower(c)
+   character c
+
+   character k
+
+   if (c >= BIGA & c <= BIGZ) {
+      k = LETA - BIGA	# avoid integer overflow in byte machines
+      clower = c + k
+      }
+   else
+      clower = c
+
+   return
+   end
-- 
cgit