--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/case_lowerb.c	Fri Oct 19 14:06:22 2007 +0200
@@ -0,0 +1,14 @@
+#include "case.h"
+
+void case_lowerb(s,len)
+char *s;
+unsigned int len;
+{
+  unsigned char x;
+  while (len > 0) {
+    --len;
+    x = *s - 'A';
+    if (x <= 'Z' - 'A') *s = x + 'a';
+    ++s;
+  }
+}