title: where is sscanf_s?
body: <p>sscanf_s is undefined on my system.  The definition is not included in any of the stdio.h files I have from various SDKs.  I searched all files on my system for this.</p>
  
  <p>I have microsoft visual c++ 6.0</p>
  
  <p>what is the proper .h file and library and where do I get them?</p>