Added book examples

C7/string_with_scanf.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void)
+{
+    // Declare some variables
+    char name[50];
+
+    // Wait for a kepypress, store result in c
+    printf ("Please enter your name");
+
+    // read in using scanf with %s
+    scanf ("%s",name);
+
+    // Display on the screen using printf
+    printf ("Hello %s\n", name);
+
+    // Exit from main
+    return 0;
+}