1e6865dcdSopenharmony_ci<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> 2e6865dcdSopenharmony_ci<html lang="en"> 3e6865dcdSopenharmony_ci<head> 4e6865dcdSopenharmony_ci<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 5e6865dcdSopenharmony_ci<meta http-equiv="Content-Style-Type" content="text/css"> 6e6865dcdSopenharmony_ci<link rel="up" title="FatFs" href="../00index_e.html"> 7e6865dcdSopenharmony_ci<link rel="alternate" hreflang="ja" title="Japanese" href="../ja/eof.html"> 8e6865dcdSopenharmony_ci<link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default"> 9e6865dcdSopenharmony_ci<title>FatFs - f_eof</title> 10e6865dcdSopenharmony_ci</head> 11e6865dcdSopenharmony_ci 12e6865dcdSopenharmony_ci<body> 13e6865dcdSopenharmony_ci 14e6865dcdSopenharmony_ci<div class="para func"> 15e6865dcdSopenharmony_ci<h2>f_eof</h2> 16e6865dcdSopenharmony_ci<p>The f_eof function tests for end-of-file on a file.</p> 17e6865dcdSopenharmony_ci<pre> 18e6865dcdSopenharmony_ciint f_eof ( 19e6865dcdSopenharmony_ci FIL* <span class="arg">fp</span> <span class="c">/* [IN] File object */</span> 20e6865dcdSopenharmony_ci); 21e6865dcdSopenharmony_ci</pre> 22e6865dcdSopenharmony_ci</div> 23e6865dcdSopenharmony_ci 24e6865dcdSopenharmony_ci 25e6865dcdSopenharmony_ci<div class="para arg"> 26e6865dcdSopenharmony_ci<h4>Parameters</h4> 27e6865dcdSopenharmony_ci<dl class="par"> 28e6865dcdSopenharmony_ci<dt>fp</dt> 29e6865dcdSopenharmony_ci<dd>Pointer to the open file object structure.</dd> 30e6865dcdSopenharmony_ci</dl> 31e6865dcdSopenharmony_ci</div> 32e6865dcdSopenharmony_ci 33e6865dcdSopenharmony_ci 34e6865dcdSopenharmony_ci<div class="para ret"> 35e6865dcdSopenharmony_ci<h4>Return Values</h4> 36e6865dcdSopenharmony_ci<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> 37e6865dcdSopenharmony_ci</div> 38e6865dcdSopenharmony_ci 39e6865dcdSopenharmony_ci 40e6865dcdSopenharmony_ci<div class="para desc"> 41e6865dcdSopenharmony_ci<h4>Description</h4> 42e6865dcdSopenharmony_ci<p>In this revision, this function is implemented as a macro. It does not have any validation and mutual exclusion.</p> 43e6865dcdSopenharmony_ci<pre> 44e6865dcdSopenharmony_ci<span class="k">#define</span> f_eof(fp) ((int)((fp)->fptr == (fp)->fsize)) 45e6865dcdSopenharmony_ci</pre> 46e6865dcdSopenharmony_ci</div> 47e6865dcdSopenharmony_ci 48e6865dcdSopenharmony_ci 49e6865dcdSopenharmony_ci<div class="para comp"> 50e6865dcdSopenharmony_ci<h4>QuickInfo</h4> 51e6865dcdSopenharmony_ci<p>Always available.</p> 52e6865dcdSopenharmony_ci</div> 53e6865dcdSopenharmony_ci 54e6865dcdSopenharmony_ci 55e6865dcdSopenharmony_ci<div class="para ref"> 56e6865dcdSopenharmony_ci<h4>See Also</h4> 57e6865dcdSopenharmony_ci<p><tt><a href="open.html">f_open</a>, <a href="lseek.html">f_lseek</a>, <a href="sfile.html">FIL</a></tt></p> 58e6865dcdSopenharmony_ci</div> 59e6865dcdSopenharmony_ci 60e6865dcdSopenharmony_ci<p class="foot"><a href="../00index_e.html">Return</a></p> 61e6865dcdSopenharmony_ci</body> 62e6865dcdSopenharmony_ci</html> 63