1<html lang="en"> 2<head> 3<title>fcloseall - Untitled</title> 4<meta http-equiv="Content-Type" content="text/html"> 5<meta name="description" content="Untitled"> 6<meta name="generator" content="makeinfo 4.13"> 7<link title="Top" rel="start" href="index.html#Top"> 8<link rel="up" href="Stdio.html#Stdio" title="Stdio"> 9<link rel="prev" href="fclose.html#fclose" title="fclose"> 10<link rel="next" href="fdopen.html#fdopen" title="fdopen"> 11<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> 12<meta http-equiv="Content-Style-Type" content="text/css"> 13<style type="text/css"><!-- 14 pre.display { font-family:inherit } 15 pre.format { font-family:inherit } 16 pre.smalldisplay { font-family:inherit; font-size:smaller } 17 pre.smallformat { font-family:inherit; font-size:smaller } 18 pre.smallexample { font-size:smaller } 19 pre.smalllisp { font-size:smaller } 20 span.sc { font-variant:small-caps } 21 span.roman { font-family:serif; font-weight:normal; } 22 span.sansserif { font-family:sans-serif; font-weight:normal; } 23--></style> 24<link rel="stylesheet" type="text/css" href="../cs.css"> 25</head> 26<body> 27<div class="node"> 28<a name="fcloseall"></a> 29<p> 30Next: <a rel="next" accesskey="n" href="fdopen.html#fdopen">fdopen</a>, 31Previous: <a rel="previous" accesskey="p" href="fclose.html#fclose">fclose</a>, 32Up: <a rel="up" accesskey="u" href="Stdio.html#Stdio">Stdio</a> 33<hr> 34</div> 35 36<h3 class="section">4.5 <code>fcloseall</code>—close all files</h3> 37 38<p><a name="index-fcloseall-156"></a><a name="index-g_t_005ffcloseall_005fr-157"></a><strong>Synopsis</strong> 39<pre class="example"> #include <stdio.h> 40 int fcloseall(void); 41 int _fcloseall_r (struct _reent *<var>ptr</var>); 42 43</pre> 44 <p><strong>Description</strong><br> 45<code>fcloseall</code> closes all files in the current reentrancy struct's domain. 46The function <code>_fcloseall_r</code> is the same function, except the reentrancy 47struct is passed in as the <var>ptr</var> argument. 48 49 <p>This function is not recommended as it closes all streams, including 50the std streams. 51 52 <p><br> 53<strong>Returns</strong><br> 54<code>fclose</code> returns <code>0</code> if all closes are successful. Otherwise, 55EOF is returned. 56 57 <p><br> 58<strong>Portability</strong><br> 59<code>fcloseall</code> is a glibc extension. 60 61 <p>Required OS subroutines: <code>close</code>, <code>fstat</code>, <code>isatty</code>, <code>lseek</code>, 62<code>read</code>, <code>sbrk</code>, <code>write</code>. 63 64 <p><br> 65 66 </body></html> 67 68