<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta http-equiv="Content-Style-Type" content="text/css"> <link rel="up" title="FatFs" href="../00index_e.html"> <link rel="alternate" hreflang="ja" title="Japanese" href="../ja/eof.html"> <link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default"> <title>FatFs - f_eof</title> </head> <body> <div class="para func"> <h2>f_eof</h2> <p>The f_eof function tests for end-of-file on a file.</p> <pre> int f_eof ( FIL* <span class="arg">fp</span> <span class="c">/* [IN] File object */</span> ); </pre> </div> <div class="para arg"> <h4>Parameters</h4> <dl class="par"> <dt>fp</dt> <dd>Pointer to the open file object structure.</dd> </dl> </div> <div class="para ret"> <h4>Return Values</h4> <p>The <tt>f_eof</tt> function returns a non-zero value if the read/write pointer has reached end of the file; otherwise it returns a zero.</p> </div> <div class="para desc"> <h4>Description</h4> <p>In this revision, this function is implemented as a macro. It does not have any validation and mutual exclusion.</p> <pre> <span class="k">#define</span> f_eof(fp) ((int)((fp)->fptr == (fp)->fsize)) </pre> </div> <div class="para comp"> <h4>QuickInfo</h4> <p>Always available.</p> </div> <div class="para ref"> <h4>See Also</h4> <p><tt><a href="open.html">f_open</a>, <a href="lseek.html">f_lseek</a>, <a href="sfile.html">FIL</a></tt></p> </div> <p class="foot"><a href="../00index_e.html">Return</a></p> </body> </html>