1<html lang="en"> 2<head> 3<title>rewind - 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="rename.html#rename" title="rename"> 10<link rel="next" href="setbuf.html#setbuf" title="setbuf"> 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="rewind"></a> 29<p> 30Next: <a rel="next" accesskey="n" href="setbuf.html#setbuf">setbuf</a>, 31Previous: <a rel="previous" accesskey="p" href="rename.html#rename">rename</a>, 32Up: <a rel="up" accesskey="u" href="Stdio.html#Stdio">Stdio</a> 33<hr> 34</div> 35 36<h3 class="section">4.53 <code>rewind</code>—reinitialize a file or stream</h3> 37 38<p><a name="index-rewind-261"></a><a name="index-g_t_005frewind_005fr-262"></a><strong>Synopsis</strong> 39<pre class="example"> #include <stdio.h> 40 void rewind(FILE *<var>fp</var>); 41 void _rewind_r(struct _reent *<var>ptr</var>, FILE *<var>fp</var>); 42 43</pre> 44 <p><strong>Description</strong><br> 45<code>rewind</code> returns the file position indicator (if any) for the file 46or stream identified by <var>fp</var> to the beginning of the file. It also 47clears any error indicator and flushes any pending output. 48 49 <p><br> 50<strong>Returns</strong><br> 51<code>rewind</code> does not return a result. 52 53 <p><br> 54<strong>Portability</strong><br> 55ANSI C requires <code>rewind</code>. 56 57 <p>No supporting OS subroutines are required. 58 59 <p><br> 60 61 </body></html> 62 63