move exercises and lectures into subfolders

Lectures/LC12/Global2/global_ex2.c

@@ -0,0 +1,37 @@
+/*
+   In this example, we do not have a problem as although
+   we have a global variable 'i', we do not corrupt it in
+   the function
+
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int i;         /* Nasty global variable ! */
+
+/*
+       This function returns the sum of the number 1->10
+       Note that although we use 'i' it is not defined in
+       the function its self.
+*/
+
+int SumToTen ( void )
+{
+
+	int Result = 0;
+
+	for ( i = 10 ; i >= 0 ; i-- )		// Count down as more effecient
+		Result = Result + i;
+
+	return Result;
+}
+
+/* This is our main function */
+
+int main(void)
+{
+	printf ("\nThe sum of the values 0 to 10 is %d ",SumToTen() );
+	return 0;
+}
+