1 files changed, 16 insertions, 0 deletions
diff --git a/unix/boot/spp/rpp/ratlibr/fold.r b/unix/boot/spp/rpp/ratlibr/fold.r
new file mode 100644
index 00000000..d6530e90
--- /dev/null
+++ b/unix/boot/spp/rpp/ratlibr/fold.r
@@ -0,0 +1,16 @@
+include	defs
+
+# fold - fold all letters in a string to lower case
+
+   subroutine fold (token)
+   character token (ARB)
+
+   character clower
+
+   integer i
+
+   for (i = 1; token (i) != EOS; i = i + 1)
+      token (i) = clower (token (i))
+
+   return
+   end