\r
<div class="para desc">\r
<h4>Description</h4>\r
-<p>In this revision, this function is implemented as a macro.</p>\r
+<p>In this revision, this function is implemented as a macro. It does not have any validation and mutual exclusion.</p>\r
<pre>\r
-<span class="k">#define</span> f_error(fp) ((fp)->flag)\r
+<span class="k">#define</span> f_error(fp) ((fp)->err)\r
</pre>\r
</div>\r
\r