title: String initialization in multidimensional array
body: <p>How to assign string value in multidimensional array, send the array as a function argument, and return it back to main function? I tried this but it gives an error:</p>
  
  <pre><code>char a[250][250][250];   // does not work
  a[][0][2] = "0";         // does not work
  a[][1][2] = "0";         // does not work
  
  char a[][2][2] = {"0", "1"};  // works
  
  // error: expected primary-expression before ']' token
  a[i][j][max] = add_func(a[i][j][], i, j); 
  </code></pre>