<h4>Description</h4>\r
<p>In this revision, this function is implemented as a macro.</p>\r
<pre>\r
-<span class="k">#define</span> f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0)\r
+<span class="k">#define</span> f_error(fp) ((fp)->flag)\r
</pre>\r
</div>\r
\r