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<!DOCTYPE HTML PUBLIC "-//W3O//DTD W3 HTML 2.0//EN"><!-- This collection of hypertext pages is Copyright 1995-2005 by Steve Summit. --><!-- Content from the book "C Programming FAQs: Frequently Asked Questions" --><!-- (Addison-Wesley, 1995, ISBN 0-201-84519-9) is made available here by --><!-- permission of the author and the publisher as a service to the community. --><!-- It is intended to complement the use of the published text --><!-- and is protected by international copyright laws. --><!-- The on-line content may be accessed freely for personal use --><!-- but may not be published or retransmitted without explicit permission. --><!-- --><!-- this page built Sat Dec 24 21:47:45 2005 by faqproc version 2.7 --><!-- from source file struct.sgml dated Wed Dec 21 16:15:32 2005 --><!-- corresponding to FAQ list version 4.0 --><html><!-- Mirrored from c-faq.com/struct/retcrash.html by HTTrack Website Copier/3.x [XR&CO'2008], Sat, 14 Mar 2009 07:58:46 GMT --><head><meta name=GENERATOR content="faqproc"><title>Question 2.18</title><link href="decay.html" rev=precedes><link href="union.html" rel=precedes><link href="index.html" rev=subdocument></head><body bgcolor="#ffffff"><a href="decay.html" rev=precedes><img src="../images/buttonleft.gif" alt="prev"></a><a href="index.html" rev=subdocument><img src="../images/buttonup.gif" alt="up"></a><a href="union.html" rel=precedes><img src="../images/buttonright.gif" alt="next"></a> <a href="../index-2.html"><img src="../images/buttontop.gif" alt="top/contents"></a><a href="../search.html"><img src="../images/buttonsrch.gif" alt="search"></a><hr><p><!-- qbegin --><h1>comp.lang.c FAQ list<font color=blue>·</font><!-- qtag -->Question 2.18</h1><p><font face=Helvetica size=8 color=blue><b>Q:</b></font>This programworks correctly, butitdumps coreafter itfinishes.Why?<pre> struct list { char *item; struct list *next; } /* Here is the main program. */ main(argc, argv) { ... }</pre></p><p><hr><p><font face=Helvetica size=8 color=blue><b>A:</b></font>A missing semicolonat the end of the structure declarationcauses<TT>main</TT> to be declared as returninga structure.(The connection is hard to see because of the intervening comment.)Sincestructure-valued functions areusuallyimplemented by adding a hiddenreturn pointer(see question<a href="passret.html">2.9</a>),the generated codefor <TT>main()</TT> tries to accept three arguments,although only two are passed(in this case, by the Cstart-up code).See also questions<a href="../cpp/headerglom.html">10.9</a>and<a href="../strangeprob/crashatexit.html">16.4</a>.</p><p>References:CT&P Sec. 2.3 pp. 21-2<br></p><!-- aend --><p><hr><a href="decay.html" rev=precedes><img src="../images/buttonleft.gif" alt="prev"></a><a href="index.html" rev=subdocument><img src="../images/buttonup.gif" alt="up"></a><a href="union.html" rel=precedes><img src="../images/buttonright.gif" alt="next"></a> <a href="../questions.html"><img src="../images/buttontop.gif" alt="contents"></a><a href="../search.html"><img src="../images/buttonsrch.gif" alt="search"></a><br><!-- lastfooter --><a href="../about.html">about this FAQ list</a> <a href="../eskimo.html">about eskimo</a> <a href="../search.html">search</a> <a href="../feedback.html">feedback</a> <a href="copyright.html">copyright</a><p>Hosted by<a href="http://www.eskimo.com/"><img src="../../www.eskimo.com/img/link/eskitiny.gif" alt="Eskimo North"></a></body><!-- Mirrored from c-faq.com/struct/retcrash.html by HTTrack Website Copier/3.x [XR&CO'2008], Sat, 14 Mar 2009 07:58:46 GMT --></html>⌨️ 快捷键说明
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