title: String Declartion in C
body: <p>What is the difference between Code 1 and Code 2 shown below. I am getting same out put in both case . Is there any difference internally ?</p>
  
  <p>Code 1</p>
  
  <pre><code>char test[30]="KEL";
  strcat (test,"DATA");
  </code></pre>
  
  <p>Code 2</p>
  
  <pre><code>char test[]="KEL"
  strcat (test,"DATA");
  </code></pre>