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<html><head><title>Reserved Number Register Names (UNIX in a Nutshell: System V Edition)</title><link rel="stylesheet" type="text/css" href="../style/style1.css" /><meta name="DC.Creator" content="Arnold Robbins" /><meta name="DC.Format" content="text/xml" scheme="MIME" /><meta name="DC.Language" content="en-US" /><meta name="DC.Publisher" content="O'Reilly & Associates, Inc." /><meta name="DC.Source" scheme="ISBN" content="1-56592-427-4" /><meta name="DC.Subject.Keyword" content="stuff" /><meta name="DC.Title" content="UNIX in a Nutshell: System V Edition" /><meta name="DC.Type" content="Text.Monograph" /></head><body bgcolor="#ffffff"><img src="gifs/smbanner.gif" usemap="#banner-map" border="0" alt="Book Home" /><map name="banner-map"><area shape="rect" coords="1,-2,616,66" href="index.htm" alt="Book Title" /><area shape="rect" coords="629,-11,726,25" href="jobjects/fsearch.htm" alt="Search this book" /></map><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch14_03.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228" /><td align="right" valign="top" width="228"><a href="ch14_05.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr></table></div><h2 class="sect1">14.4. Reserved Number Register Names</h2><p><a name="IXT-14-123422" /><a name="IXT-14-123423" /><a name="IXT-14-123424" />The following number register names are used by the <em class="emphasis">ms</em>package. An italicized <em class="emphasis">n</em> means that the namecontains a numeral (generally the interpolated value of anothernumber register).</p><table border="1" cellpadding="3"><tr><td><em class="replaceable"><tt>n</tt></em><tt class="literal">T</tt></td><td><tt class="literal">AJ</tt></td><td><tt class="literal">AV</tt></td><td><tt class="literal">BC</tt></td><td><tt class="literal">BD</tt></td><td><tt class="literal">BE</tt></td><td><tt class="literal">BH</tt></td><td><tt class="literal">BQ</tt></td><td><tt class="literal">BW</tt></td></tr><tr><td><tt class="literal">CW</tt></td><td><tt class="literal">EF</tt></td><td><tt class="literal">FC</tt></td><td><tt class="literal">FL</tt></td><td><tt class="literal">FM</tt></td><td><tt class="literal">FP</tt></td><td><tt class="literal">GA</tt></td><td><tt class="literal">GW</tt></td><td><tt class="literal">H1</tt></td></tr><tr><td><tt class="literal">H2</tt></td><td><tt class="literal">H3</tt></td><td><tt class="literal">H4</tt></td><td><tt class="literal">H5</tt></td><td><tt class="literal">HM</tt></td><td><tt class="literal">HT</tt></td><td><tt class="literal">I0</tt></td><td><tt class="literal">IF</tt></td><td><tt class="literal">IK</tt></td></tr><tr><td><tt class="literal">IM</tt></td><td><tt class="literal">IP</tt></td><td><tt class="literal">IR</tt></td><td><tt class="literal">IS</tt></td><td><tt class="literal">IT</tt></td><td><tt class="literal">IX</tt></td><td><tt class="literal">I</tt><em class="replaceable"><tt>n</em></td><td><tt class="literal">J</tt><em class="replaceable">n</tt></em></td><td><tt class="literal">KG</tt></td></tr><tr><td><tt class="literal">KI</tt></td><td><tt class="literal">KM</tt></td><td><tt class="literal">L1</tt></td><td><tt class="literal">LE</tt></td><td><tt class="literal">LL</tt></td><td><tt class="literal">LT</tt></td><td><tt class="literal">MC</tt></td><td><tt class="literal">MF</tt></td><td><tt class="literal">MG</tt></td></tr><tr><td><tt class="literal">ML</tt></td><td><tt class="literal">MM</tt></td><td><tt class="literal">MN</tt></td><td><tt class="literal">NA</tt></td><td><tt class="literal">NC</tt></td><td><tt class="literal">ND</tt></td><td><tt class="literal">NQ</tt></td><td><tt class="literal">NS</tt></td><td><tt class="literal">NX</tt></td></tr><tr><td><tt class="literal">OJ</tt></td><td><tt class="literal">PD</tt></td><td><tt class="literal">PE</tt></td><td><tt class="literal">PF</tt></td><td><tt class="literal">PI</tt></td><td><tt class="literal">PN</tt></td><td><tt class="literal">PO</tt></td><td><tt class="literal">PQ</tt></td><td><tt class="literal">PS</tt></td></tr><tr><td><tt class="literal">PX</tt></td><td><tt class="literal">QI</tt></td><td><tt class="literal">QP</tt></td><td><tt class="literal">RO</tt></td><td><tt class="literal">SJ</tt></td><td><tt class="literal">ST</tt></td><td><tt class="literal">T.</tt></td><td><tt class="literal">TB</tt></td><td><tt class="literal">TC</tt></td></tr><tr><td><tt class="literal">TD</tt></td><td><tt class="literal">TK</tt></td><td><tt class="literal">TN</tt></td><td><tt class="literal">TQ</tt></td><td><tt class="literal">TV</tt></td><td><tt class="literal">TY</tt></td><td><tt class="literal">TZ</tt></td><td><tt class="literal">VS</tt></td><td><tt class="literal">WF</tt></td></tr><tr><td><tt class="literal">XX</tt></td><td><tt class="literal">YE</tt></td><td><tt class="literal">YY</tt></td><td><tt class="literal">ZN</tt></td><td></td><td></td><td></td><td></td><td> </td></tr></table><p><p>When you're writing your own macros, the safest bet is to usemixed-case letters for macro names. (Using uppercase letterscould conflict with reserved <em class="emphasis">ms</em> names, and using lowercaseletters could conflict with <tt class="literal">troff</tt> requests.)</p><hr width="684" align="left" /><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch14_03.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228"><a href="index.htm"><img src="../gifs/txthome.gif" alt="Home" border="0" /></a></td><td align="right" valign="top" width="228"><a href="ch14_05.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr><tr><td align="left" valign="top" width="228">14.3. Reserved Macro and String Names</td><td align="center" valign="top" width="228"><a href="index/index.htm"><img src="../gifs/index.gif" alt="Book Index" border="0" /></a></td><td align="right" valign="top" width="228">14.5. Sample Document</td></tr></table></div><hr width="684" align="left" /><img src="../gifs/navbar.gif" usemap="#library-map" border="0" alt="Library Navigation Links" /><p><p><font size="-1"><a href="copyrght.htm">Copyright © 2003</a> O'Reilly & Associates. All rights reserved.</font></p><map name="library-map"><area shape="rect" coords="1,0,88,96" href="../index.htm"><area shape="rect" coords="90,0,165,96" href="../upt/index.htm"><area shape="rect" coords="168,1,253,107" href="../mac/index.htm"><area shape="rect" coords="255,0,335,97" href="../korn/index.htm"><area shape="rect" coords="337,0,415,109" href="../unixnut/index.htm"><area shape="rect" coords="417,0,512,122" href="../sedawk/index.htm"><area shape="rect" coords="514,0,605,105" href="../lunix/index.htm"><area shape="rect" coords="611,2,694,121" href="../vi/index.htm"></map></body></html>?? 快捷鍵說明
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