1<html lang="en"> 2<head> 3<title>bcmp - 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="Strings.html#Strings" title="Strings"> 9<link rel="next" href="bcopy.html#bcopy" title="bcopy"> 10<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> 11<meta http-equiv="Content-Style-Type" content="text/css"> 12<style type="text/css"><!-- 13 pre.display { font-family:inherit } 14 pre.format { font-family:inherit } 15 pre.smalldisplay { font-family:inherit; font-size:smaller } 16 pre.smallformat { font-family:inherit; font-size:smaller } 17 pre.smallexample { font-size:smaller } 18 pre.smalllisp { font-size:smaller } 19 span.sc { font-variant:small-caps } 20 span.roman { font-family:serif; font-weight:normal; } 21 span.sansserif { font-family:sans-serif; font-weight:normal; } 22--></style> 23<link rel="stylesheet" type="text/css" href="../cs.css"> 24</head> 25<body> 26<div class="node"> 27<a name="bcmp"></a> 28<p> 29Next: <a rel="next" accesskey="n" href="bcopy.html#bcopy">bcopy</a>, 30Up: <a rel="up" accesskey="u" href="Strings.html#Strings">Strings</a> 31<hr> 32</div> 33 34<h3 class="section">5.1 <code>bcmp</code>—compare two memory areas</h3> 35 36<p><a name="index-bcmp-373"></a><strong>Synopsis</strong> 37<pre class="example"> #include <strings.h> 38 int bcmp(const void *<var>s1</var>, const void *<var>s2</var>, size_t <var>n</var>); 39 40</pre> 41 <p><strong>Description</strong><br> 42This function compares not more than <var>n</var> bytes of the 43object pointed to by <var>s1</var> with the object pointed to by <var>s2</var>. 44 45 <p>This function is identical to <code>memcmp</code>. 46 47 <p><br> 48<strong>Returns</strong><br> 49The function returns an integer greater than, equal to or 50less than zero according to whether the object pointed to by 51<var>s1</var> is greater than, equal to or less than the object 52pointed to by <var>s2</var>. 53 54 <p><br> 55<strong>Portability</strong><br> 56<code>bcmp</code> requires no supporting OS subroutines. 57 58 <p><br> 59 60 </body></html> 61 62