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diff --git a/reference/C/EXAMPLES/global.c b/reference/C/EXAMPLES/global.c
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+/************************************************************************
+ *
+ * Purpose: Demonstrate global and internal variables
+ * Author: M J Leslie
+ * date: 02-Feb-94
+ *
+ ************************************************************************/
+
+int counter = 0; /* global because we are outside
+ all blocks. */
+int func(void);
+
+main()
+{
+ counter++; /* global because it has not been
+ declared within this block */
+ printf("counter is %2d before the call to func\n", counter);
+
+ func(); /* call a function. */
+
+ printf("counter is %2d after the call to func\n", counter);
+}
+
+int func(void)
+{
+ int counter = 10; /* local. */
+ printf("counter is %2d within func\n", counter);
+}