Demo on the uses of the static reserved word

2020-11-04 21:20:39 -05:00
parent faa919d6ed
commit 47e0041c86
4 changed files with 86 additions and 0 deletions
@@ -0,0 +1,44 @@
+#include <stdlib.h>
+
+#include "number.h"
+
+/* Variable will only be accessible from this file because
+ * it's static
+ */
+static int number = 1;
+
+
+static void do_something()
+{
+    /* Retains the value outside of the scope
+     * because it's an internal static variable.
+     */
+    static int changer = 1;
+
+    number += changer;
+
+    if (changer % 10 >= 4)
+    {
+        changer += 5;
+    }
+    else if (changer % 10 < 4)
+    {
+        changer += 3;
+    }
+    else
+    {
+        changer *= 2;
+    }
+}
+
+
+
+int Number_get_number()
+{
+    extern int number;
+
+    do_something();
+
+    return number;
+}
+