For reasons unknown these files were never checked in to CVS.
diff --git a/Mac/Demo/calldll/samplecalldll.py b/Mac/Demo/calldll/samplecalldll.py
new file mode 100644
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+++ b/Mac/Demo/calldll/samplecalldll.py
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+#
+# Test calldll. Tell the user how often menus flash, and let her change it.
+#
+
+import calldll
+import sys
+
+# Obtain a reference to the library with the toolbox calls
+interfacelib = calldll.getlibrary('InterfaceLib')
+
+# Get the routines we need (see LowMem.h for details)
+LMGetMenuFlash = calldll.newcall(interfacelib.LMGetMenuFlash, 'Short')
+LMSetMenuFlash = calldll.newcall(interfacelib.LMSetMenuFlash, 'None', 'InShort')
+
+print "Menus currently flash",LMGetMenuFlash(),"times."
+print "How often would you like them to flash?",
+
+# Note: we use input(), so you can try passing non-integer objects
+newflash = input()
+LMSetMenuFlash(newflash)
+
+print "Okay, menus now flash", LMGetMenuFlash(),"times."
+
+sys.exit(1) # So the window stays on-screen