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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!-- but may not be published or retransmitted without explicit permission.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 21:47:46 2005 by faqproc version 2.7 --><!-- from source file charstring.sgml dated Sat Feb 7 18:22:16 2004 --><!-- corresponding to FAQ list version 4.0 --><html><!-- Mirrored from c-faq.com/charstring/sd5.html by HTTrack Website Copier/3.x [XR&CO'2008], Sat, 14 Mar 2009 08:00:19 GMT --><head><meta name=GENERATOR content="faqproc"><link href="http://www.eskimo.com/notfound.html" rev=subdocument><title></title></head><body bgcolor="#ffffff"> <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>The point is that character constants are <em>not</em> of type char!<TT>sizeof(char)</TT> is 1, while <TT>sizeof(int)</TT> is 2 or 4 on most machines.Now, a constant like <TT>'a'</TT>, even though it looks like acharacter, is actually an integer as far as the compiler isconcerned, so <TT>sizeof('a') == sizeof(int)</TT>.<br><br>It's only confusing if you assume that character constants are chars.It makes perfect sense if you know the rule that ``characterconstants are of type int'', even if that rule doesn't seem tomake much sense in itself.<hr><p><a href="sizeofchar.html" rev=subdocument>back</a></p><hr><p><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><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></p></body><!-- Mirrored from c-faq.com/charstring/sd5.html by HTTrack Website Copier/3.x [XR&CO'2008], Sat, 14 Mar 2009 08:00:20 GMT --></html>⌨️ 快捷键说明
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