new file mode 100644
--- /dev/null
+++ b/tree.c
@@ -0,0 +1,69 @@
+/**
+ *     $Id: tree.c,v 1.1.1.1 2008-04-28 17:32:53 mbroeker Exp $
+ * $Source: /development/c/demos/tree.c,v $
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#define GETRANDOM(max) (1+(int)((float)max*rand()/RAND_MAX+1.0))
+
+struct T {
+    int data;
+    struct T *next;
+};
+
+typedef struct T T;
+
+T *make_list (int elements, int rand_max)
+{
+    int i;
+    T *t;
+    T *actual;
+    T *first = NULL;
+
+    srand (time (NULL));
+
+    if ((t = malloc (sizeof (T) + 1)) == NULL) {
+        perror ("MALLOC");
+        return first;
+    }
+
+    t->data = GETRANDOM (rand_max);
+    t->next = NULL;
+
+    first = t;
+
+    for (i = 1; i < elements; i++) {
+        if ((actual = malloc (sizeof (T) + 1)) == NULL)
+            break;
+        actual->data = GETRANDOM (rand_max);
+        actual->next = NULL;
+        t->next = actual;
+        t = actual;
+    }
+    return first;
+}
+
+int main (int argc, char **argv)
+{
+    T *t, *actual;
+
+    if (argc != 3) {
+        printf ("Usage: %s elements rand_max\n", argv[0]);
+        return EXIT_SUCCESS;
+    }
+
+    t = make_list (atoi (argv[1]), atoi (argv[2]));
+
+    while (t) {
+        printf ("%d\n", t->data);
+        actual = t->next;
+        free (t);
+        t = actual;
+    };
+
+    return EXIT_SUCCESS;
+}