move exercises and lectures into subfolders

Lectures/LC19/Static/Static.c

@@ -0,0 +1,45 @@
+/* 
+  Static variables - a variable that is created when a function is first
+  called and remains until the program terminates 
+  
+  This is to say that in future calls to the function it is not redefined 
+  and can take the value it last had in the function.
+  
+  This should hopefully show this !
+*/   
+
+#include <stdio.h>
+#include <stdlib.h>
+ 
+void NonStaticFunction(void)
+{
+  int i =0 ;    /* This is issued EVERY time the function is called */
+  i = i + 1;
+  printf ("\nIn Non static function, the value of i is %d ",i);
+  return;
+}
+
+void StaticFunction(void)
+{
+  static int i =0 ;  /* This is issued THE FIRST TIME, 
+                        AND ONLY THE FIRST TIME
+                        that the function is called */
+  i = i + 1;
+  printf ("\nIn *static* function, the value of i is %d ",i);
+  return;
+}
+
+
+int main(void)
+{
+
+  int i;
+  for ( i = 0 ; i < 10 ; i++ )
+  {
+    NonStaticFunction();
+    StaticFunction();
+  }
+  
+  return 0;
+}
+