1<html lang="en"> 2<head> 3<title>fputs - 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="fputc.html#fputc" title="fputc"> 10<link rel="next" href="fputwc.html#fputwc" title="fputwc"> 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="fputs"></a> 29<p> 30Next: <a rel="next" accesskey="n" href="fputwc.html#fputwc">fputwc</a>, 31Previous: <a rel="previous" accesskey="p" href="fputc.html#fputc">fputc</a>, 32Up: <a rel="up" accesskey="u" href="Stdio.html#Stdio">Stdio</a> 33<hr> 34</div> 35 36<h3 class="section">4.21 <code>fputs</code>—write a character string in a file or stream</h3> 37 38<p><a name="index-fputs-186"></a><a name="index-g_t_005ffputs_005fr-187"></a><strong>Synopsis</strong> 39<pre class="example"> #include <stdio.h> 40 int fputs(const char *<var>s</var>, FILE *<var>fp</var>); 41 42 #include <stdio.h> 43 int _fputs_r(struct _reent *<var>ptr</var>, const char *<var>s</var>, FILE *<var>fp</var>); 44 45</pre> 46 <p><strong>Description</strong><br> 47<code>fputs</code> writes the string at <var>s</var> (but without the trailing null) 48to the file or stream identified by <var>fp</var>. 49 50 <p><code>_fputs_r</code> is simply the reentrant version of <code>fputs</code> that takes 51an additional reentrant struct pointer argument: <var>ptr</var>. 52 53 <p><br> 54<strong>Returns</strong><br> 55If successful, the result is <code>0</code>; otherwise, the result is <code>EOF</code>. 56 57 <p><br> 58<strong>Portability</strong><br> 59ANSI C requires <code>fputs</code>, but does not specify that the result on 60success must be <code>0</code>; any non-negative value is permitted. 61 62 <p>Supporting OS subroutines required: <code>close</code>, <code>fstat</code>, <code>isatty</code>, 63<code>lseek</code>, <code>read</code>, <code>sbrk</code>, <code>write</code>. 64 65 <p><br> 66 67 </body></html> 68 69