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<HTML><HEAD> <TITLE>Escape Sequences</TITLE></HEAD><BODY BGCOLOR="FFFFFF"><TABLE WIDTH="100%" BGCOLOR="EEEEFF"><TR><TD> <A HREF="index.html">cppreference.com</A> -> 转义字符</TD></TR></TABLE><H3>常量转义字符</H3><P>以下的转义字符使普通字符表示不同的意义.</P><TABLE BGCOLOR="EEEEFF" ALIGN="CENTER"> <TR><TD><strong>转义字符</strong></TD><TD><strong>描述</strong></TD></TR> <TR><TD>\'</TD><TD>单引号</TD></TR> <TR><TD>\"</TD><TD>双引号</TD></TR> <TR><TD>\\</TD><TD>反斜杠</TD></TR> <TR><TD>\0</TD><TD>空字符</TD></TR> <TR><TD>\a</TD><TD>响铃</TD></TR> <TR><TD>\b</TD><TD>后退</TD></TR> <TR><TD>\f</TD><TD>走纸</TD></TR> <TR><TD>\n</TD><TD>换行</TD></TR> <TR><TD>\r</TD><TD>回车</TD></TR> <TR><TD>\t</TD><TD>水平制表符</TD></TR> <TR><TD>\v</TD><TD>垂直制表符</TD></TR> <TR><TD>\xnnn</TD><TD>表示十六进制数(nnn)</TD></TR></TABLE><P>以下是使用转义字符的代码示例:</P><PRE>printf( "This\nis\na\ntest\n\nShe said, \"How are you?\"\n" );</PRE><P>输出：</P><PRE>ThisisatestShe said, "How are you?"</PRE></BODY></HTML><br><html>
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