⭐ 欢迎来到虫虫下载站！ | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站
📤 上传资源

📄 node150.htm

📁 Tutorila for CPP, very good tutorial for CPP
💻 HTM
字号:
🔍 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//FR">
<!--Converted with LaTeX2HTML 97.1 (release) (July 13th, 1997)
 by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds
* revised and updated by:  Marcus Hennecke, Ross Moore, Herb Swan
* with significant contributions from:
  Jens Lippman, Marek Rouchal, Martin Wilck and others -->
<HTML><BLOCKQUOTE><img src="logo.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/icons.gif/logo.gif" ALIGN=right></A> 
<HEAD>
<TITLE>Les expressions</TITLE>
<META NAME="description" CONTENT="Les expressions">
<META NAME="keywords" CONTENT="Introduction_ANSI_C">
<META NAME="resource-type" CONTENT="document">
<META NAME="distribution" CONTENT="global">
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso_8859_1">
<LINK REL="STYLESHEET" HREF="Introduction_ANSI_C.css" tppabs="http://www.linux-kheops.com/doc/ansi-c/Introduction_ANSI_C.css">
<LINK REL="next" HREF="node151.htm" tppabs="http://www.linux-kheops.com/doc/ansi-c/node151.htm">
<LINK REL="previous" HREF="node149.htm" tppabs="http://www.linux-kheops.com/doc/ansi-c/node149.htm">
<LINK REL="up" HREF="node140.htm" tppabs="http://www.linux-kheops.com/doc/ansi-c/node140.htm">
<LINK REL="next" HREF="node151.htm" tppabs="http://www.linux-kheops.com/doc/ansi-c/node151.htm">
</HEAD>
<BODY BACKGROUND="marge.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/icons.gif/marge.gif" TEXT=#000000 LINK=#FF0000 VLINK=#1809BB >
<!--Navigation Panel-->
<A NAME="tex2html3501"
 HREF="node151.htm" tppabs="http://www.linux-kheops.com/doc/ansi-c/node151.htm">
<IMG WIDTH="77" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next"
 SRC="next_motif.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/icons.gif/next_motif.gif"></A> 
<A NAME="tex2html3497"
 HREF="node140.htm" tppabs="http://www.linux-kheops.com/doc/ansi-c/node140.htm">
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up"
 SRC="up_motif.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/icons.gif/up_motif.gif"></A> 
<A NAME="tex2html3491"
 HREF="node149.htm" tppabs="http://www.linux-kheops.com/doc/ansi-c/node149.htm">
<IMG WIDTH="96" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous"
 SRC="previous_motif.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/icons.gif/previous_motif.gif"></A> 
<A NAME="tex2html3499"
 HREF="node1.htm" tppabs="http://www.linux-kheops.com/doc/ansi-c/node1.htm">
<IMG WIDTH="96" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents"
 SRC="contents_motif.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/icons.gif/contents_motif.gif"></A> 
<A NAME="tex2html3500"
 HREF="node174.htm" tppabs="http://www.linux-kheops.com/doc/ansi-c/node174.htm">
<IMG WIDTH="59" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="index"
 SRC="index_motif.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/icons.gif/index_motif.gif"></A> 
<BR>
<B> Suivant:</B> <A NAME="tex2html3502"
 HREF="node151.htm" tppabs="http://www.linux-kheops.com/doc/ansi-c/node151.htm">Les d閏larations</A>
<B> D閎ut:</B> <A NAME="tex2html3498"
 HREF="node140.htm" tppabs="http://www.linux-kheops.com/doc/ansi-c/node140.htm">La grammaire</A>
<B> Pr閏閐ent:</B> <A NAME="tex2html3492"
 HREF="node149.htm" tppabs="http://www.linux-kheops.com/doc/ansi-c/node149.htm">Les nombres du pr閜rocesseur</A><HR>
<BR>
<BR>
<!--End of Navigation Panel-->
<H1><font COLOR=#1809BB><A NAME="SECTION0016100000000000000000">
Les expressions</A>
</font></H1>
 R<SUB>43</SUB><I>expression-primaire</I>&nbsp;:
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>identificateur</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>constante</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>cha頽e-litt閞ale</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <TT>(</TT>
       <I>expression</I>
       <TT>)</TT>
<BR>
<BR>
R<SUB>44</SUB><I>expression-postfix閑</I>&nbsp;:
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-primaire</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-postfix閑</I>
       <TT>[</TT>
       <I>expression</I>
       <TT>]</TT>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-postfix閑</I>
       <TT>(</TT>
       <I>liste-d-expressions-param鑤res<SUB><I>option</I></SUB></I>
       <TT>)</TT>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-postfix閑</I>
       <TT>.</TT>
       <I>identificateur</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-postfix閑</I>
       <TT>-&gt;</TT>
       <I>identificateur</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-postfix閑</I>
       <TT>++</TT>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-postfix閑</I>
       <TT>-</TT>
<BR>
<BR>
R<SUB>45</SUB><I>liste-d-expressions-param鑤res</I>&nbsp;:
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-affectation</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>liste-d-expressions-param鑤res</I>
       <TT>,</TT>
       <I>expression-affectation</I>
<BR>
<BR>
R<SUB>46</SUB><I>expression-unaire</I>&nbsp;:
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-postfix閑</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <TT>++</TT>
       <I>expression-unaire</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <TT>-</TT>
       <I>expression-unaire</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>op閞ateur-unaire</I>
       <I>expression-cast</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <TT>sizeof</TT>
       <I>expression-unaire</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <TT>sizeof (</TT>
       <I>nom-de-type</I>
       <TT>)</TT>
<BR>
<BR>
R<SUB>47</SUB><I>op閞ateur-unaire</I>&nbsp;: un parmi
<BR>
    <code>&amp;  *  +  -  ~  !</code>
<BR>
<BR>
R<SUB>48</SUB><I>expression-cast</I>&nbsp;:
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-unaire</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <TT>(</TT>
       <I>nom-de-type</I>
       <TT>)</TT>
       <I>expression-cast</I>
<BR>
<BR>
R<SUB>49</SUB><I>expression-multiplicative</I>&nbsp;:
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-cast</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-multiplicative</I>
       <TT>*</TT>
       <I>expression-cast</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-multiplicative</I>
       <TT>/</TT>
       <I>expression-cast</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-multiplicative</I>
       <code>%</code>
       <I>expression-cast</I>
<BR>
<BR>
R<SUB>50</SUB><I>expression-additive</I>&nbsp;:
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-multiplicative</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-additive</I>
       <TT>+</TT>
       <I>expression-multiplicative</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-additive</I>
       <TT>-</TT>
       <I>expression-multiplicative</I>
<BR>
<BR>
R<SUB>51</SUB><I>expression-d閏alage</I>&nbsp;:
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-additive</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-d閏alage</I>
       <TT>&lt;&lt;</TT>
       <I>expression-additive</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-d閏alage</I>
       <TT>&gt;&gt;</TT>
       <I>expression-additive</I>
<BR>
<BR>
R<SUB>52</SUB><I>expression-relation</I>&nbsp;:
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-d閏alage</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-relation</I>
       <TT>&lt;</TT>
       <I>expression-d閏alage</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-relation</I>
       <TT>&gt;</TT>
       <I>expression-d閏alage</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-relation</I>
       <TT>&lt;=</TT>
       <I>expression-d閏alage</I>
<BR>
    <IMG WIDTH="20" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
 SRC="img3.gif" tppabs="http://www.linux-kheops.com/doc/ansi-c/img3.gif"
 ALT="$\Rightarrow$">       <I>expression-relation</I>
       <TT>&gt;=</TT>
       <I>expression-d閏alage</I>
<BR>
<BR>
R<SUB>53</SUB><I>expression-間alit

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -