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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta name="generator" content="HTML Tidy, see www.w3.org"><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><link type="text/css" rel="stylesheet" href="style.css"><!-- Generated by The Open Group's rhtm tool v1.2.1 --><!-- Copyright (c) 2001-2004 IEEE and The Open Group, All Rights Reserved --><title>ldiv</title></head><body bgcolor="white"><script type="text/javascript" language="JavaScript" src="../jscript/codes.js"></script><basefont size="3"> <a name="ldiv"></a> <a name="tag_03_330"></a><!-- ldiv --> <!--header start--><center><font size="2">The Open Group Base Specifications Issue 6<br>IEEE Std 1003.1, 2004 Edition<br>Copyright © 2001-2004 The IEEE and The Open Group, All Rights reserved.</font></center><!--header end--><hr size="2" noshade><h4><a name="tag_03_330_01"></a>NAME</h4><blockquote>ldiv, lldiv - compute quotient and remainder of a long division</blockquote><h4><a name="tag_03_330_02"></a>SYNOPSIS</h4><blockquote class="synopsis"><p><code><tt>#include <<a href="../basedefs/stdlib.h.html">stdlib.h</a>><br><br> ldiv_t ldiv(long</tt> <i>numer</i><tt>, long</tt> <i>denom</i><tt>);<br> lldiv_t lldiv(long long</tt> <i>numer</i><tt>, long long</tt> <i>denom</i><tt>);<br></tt></code></p></blockquote><h4><a name="tag_03_330_03"></a>DESCRIPTION</h4><blockquote><div class="box"><sup>[<a href="javascript:open_code('CX')">CX</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]"border="0"> The functionality described on this reference page is aligned with the ISO C standard. Any conflict between therequirements described here and the ISO C standard is unintentional. This volume of IEEE Std 1003.1-2001 defers tothe ISO C standard. <img src="../images/opt-end.gif" alt="[Option End]" border="0"></div><p>These functions shall compute the quotient and remainder of the division of the numerator <i>numer</i> by the denominator<i>denom</i>. If the division is inexact, the resulting quotient is the <b>long</b> integer (for the <i>ldiv</i>() function) or<b>long long</b> integer (for the <i>lldiv</i>() function) of lesser magnitude that is the nearest to the algebraic quotient. Ifthe result cannot be represented, the behavior is undefined; otherwise, <i>quot</i> * <i>denom</i>+<i>rem</i> shall equal<i>numer</i>.</p></blockquote><h4><a name="tag_03_330_04"></a>RETURN VALUE</h4><blockquote><p>The <i>ldiv</i>() function shall return a structure of type <b>ldiv_t</b>, comprising both the quotient and the remainder. Thestructure shall include the following members, in any order:</p><pre><tt>long quot; /* Quotient */long rem; /* Remainder */</tt></pre><p>The <i>lldiv</i>() function shall return a structure of type <b>lldiv_t</b>, comprising both the quotient and the remainder. Thestructure shall include the following members, in any order:</p><pre><tt>long long quot; /* Quotient */long long rem; /* Remainder */</tt></pre></blockquote><h4><a name="tag_03_330_05"></a>ERRORS</h4><blockquote><p>No errors are defined.</p></blockquote><hr><div class="box"><em>The following sections are informative.</em></div><h4><a name="tag_03_330_06"></a>EXAMPLES</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_03_330_07"></a>APPLICATION USAGE</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_03_330_08"></a>RATIONALE</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_03_330_09"></a>FUTURE DIRECTIONS</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_03_330_10"></a>SEE ALSO</h4><blockquote><p><a href="div.html"><i>div</i>()</a>, the Base Definitions volume of IEEE Std 1003.1-2001, <a href="../basedefs/stdlib.h.html"><i><stdlib.h></i></a></p></blockquote><h4><a name="tag_03_330_11"></a>CHANGE HISTORY</h4><blockquote><p>First released in Issue 4. Derived from the ISO C standard.</p></blockquote><h4><a name="tag_03_330_12"></a>Issue 6</h4><blockquote><p>The <i>lldiv</i>() function is added for alignment with the ISO/IEC 9899:1999 standard.</p></blockquote><div class="box"><em>End of informative text.</em></div><hr size="2" noshade><center><font size="2"><!--footer start-->UNIX ® is a registered Trademark of The Open Group.<br>POSIX ® is a registered Trademark of The IEEE.<br>[ <a href="../mindex.html">Main Index</a> | <a href="../basedefs/contents.html">XBD</a> | <a href="../utilities/contents.html">XCU</a> | <a href="../functions/contents.html">XSH</a> | <a href="../xrat/contents.html">XRAT</a>]</font></center><!--footer end--><hr size="2" noshade></body></html>⌨️ 快捷键说明
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