A very early version. Among other differences the functions don&#x27;t care about RSIZE_MAX (even though newer VS versions define and use rsize_t). However the Windows SDK contains &lt;strsafe.h&gt; which does limit the length of strings (STRSAFE_MAX_CCH).<p><a href="https:&#x2F;&#x2F;msdn.microsoft.com&#x2F;en-us&#x2F;library&#x2F;windows&#x2F;desktop&#x2F;ms647466%28v=vs.85%29.aspx" rel="nofollow">https:&#x2F;&#x2F;msdn.microsoft.com&#x2F;en-us&#x2F;library&#x2F;windows&#x2F;desktop&#x2F;ms6...</a>