1<html lang="en"> 2<head> 3<title>lldiv - 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="Stdlib.html#Stdlib" title="Stdlib"> 9<link rel="prev" href="llabs.html#llabs" title="llabs"> 10<link rel="next" href="malloc.html#malloc" title="malloc"> 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="lldiv"></a> 29<p> 30Next: <a rel="next" accesskey="n" href="malloc.html#malloc">malloc</a>, 31Previous: <a rel="previous" accesskey="p" href="llabs.html#llabs">llabs</a>, 32Up: <a rel="up" accesskey="u" href="Stdlib.html#Stdlib">Stdlib</a> 33<hr> 34</div> 35 36<h3 class="section">2.22 <code>lldiv</code>—divide two long long integers</h3> 37 38<p><a name="index-lldiv-36"></a><strong>Synopsis</strong> 39<pre class="example"> #include <stdlib.h> 40 lldiv_t lldiv(long long <var>n</var>, long long <var>d</var>); 41 42</pre> 43 <p><strong>Description</strong><br> 44Divide 45<var>n</var>/<var>d</var>, 46returning quotient and remainder as two long long integers in a structure 47<code>lldiv_t</code>. 48 49 <p><br> 50<strong>Returns</strong><br> 51The result is represented with the structure 52 53<pre class="smallexample"> typedef struct 54 { 55 long long quot; 56 long long rem; 57 } lldiv_t; 58</pre> 59 <p>where the <code>quot</code> field represents the quotient, and <code>rem</code> the 60remainder. For nonzero <var>d</var>, if `<var>r</var><code> = ldiv(</code><var>n</var><code>,</code><var>d</var><code>);</code>' then 61<var>n</var> equals `<var>r</var><code>.rem + </code><var>d</var><code>*</code><var>r</var><code>.quot</code>'. 62 63 <p>To divide <code>long</code> rather than <code>long long</code> values, use the similar 64function <code>ldiv</code>. 65 66 <p><br> 67<strong>Portability</strong><br> 68<code>lldiv</code> is ISO 9899 (C99) compatable. 69 70 <p>No supporting OS subroutines are required. 71 72 <p><br> 73 74 </body></html> 75 76