title: Scanf_s is empty in c++
body: <p>I can't use this code because I can't write any text. 
  How can i solve this problem with reading?</p>
  
  <pre><code>#include "stdafx.h"
  #include "stdio.h"
  #include "conio.h"
  #include "string.h"
  
  
  
  
  int _tmain(int argc, _TCHAR* argv[])
  {
      char str[1024];
  
      printf("Input text: ");
      scanf_s("%c", str);
  
      _asm                                                                                                                                                                                                                                        
      {
      //some assembly code
      }
  
  
      printf("\n\nResult = %s", str);
  
      printf("\n\n[Press any key]");
      _getch();
  
      return 0;
  }
  </code></pre>
  
  <p>result is</p>
  
  <pre><code>Input text: sdf
  
  Result =
  
  [Press any key]
  </code></pre>
  
  <p>any ideas? I use Visual Studio 2013.</p>