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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><!-- Copyright 1997 The Open Group, All Rights Reserved --><title>meta</title></head><body bgcolor=white><center><font size=2>The Single UNIX ® Specification, Version 2<br>Copyright © 1997 The Open Group</font></center><hr size=2 noshade><h4><a name = "tag_001_009_071"> </a>NAME</h4><blockquote>meta - enable/disable meta-keys</blockquote><h4><a name = "tag_001_009_072"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <<a href="curses.h.html">curses.h</a>>int meta(WINDOW *<i>win</i>, bool <i>bf</i>);</code></pre></blockquote><h4><a name = "tag_001_009_073"> </a>DESCRIPTION</h4><blockquote>Initially, whether the terminal returns 7 or 8 significant bits on inputdepends on the control mode of the display driver (see the <b>XBD</b> specification,<b>General Terminal Interface</b>).To force 8 bits to be returned, invoke <i>meta</i>(<i>win</i>, TRUE).To force 7 bits to be returned, invoke <i>meta</i>(<i>win</i>, FALSE).The <i>win</i> argument is always ignored. If the <b>terminfo</b> capabilities<b>smm</b> (meta_on) and <b>rmm</b> (meta_off) are defined for the terminal,<b>smm</b> is sent to the terminal when <i>meta</i>(<i>win</i>, TRUE) is calledand <b>rmm</b> is sent when <i>meta</i>(<i>win</i>, FALSE) is called.</blockquote><h4><a name = "tag_001_009_074"> </a>RETURN VALUE</h4><blockquote>Upon successful completion,<i>meta()</i>returns OK. Otherwise, it returns ERR.</blockquote><h4><a name = "tag_001_009_075"> </a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_001_009_076"> </a>APPLICATION USAGE</h4><blockquote>The same effect is achieved outside Curses using the CS7 or CS8 control modeflag specified in the <b>XBD</b> specification (<b>General Terminal Interface</b>).<p>The<i>meta()</i>function was designed for use with terminals with 7-bit character sets anda "meta" key that could be used to set the eighth bit.</blockquote><h4><a name = "tag_001_009_077"> </a>SEE ALSO</h4><blockquote><xref href=terminalinput><a href="intov.html#tag_001_005">Input Processing</a></xref>,<i><a href="getch.html">getch()</a></i>,<i><a href="curses.h.html"><curses.h></a></i>,<b>XBD</b> specification, <a href="../xbd/termios.html#tag_008_002"><b>Parameters that Can be Set</b> </a> (ISTRIP flag).</blockquote><hr size=2 noshade><center><font size=2>UNIX ® is a registered Trademark of The Open Group.<br>Copyright © 1997 The Open Group<br> [ <a href="../index.html">Main Index</a> | <a href="../xshix.html">XSH</a> | <a href="../xcuix.html">XCU</a> | <a href="../xbdix.html">XBD</a> | <a href="../cursesix.html">XCURSES</a> | <a href="../xnsix.html">XNS</a> ]</font></center><hr size=2 noshade></body></html>⌨️ 快捷键说明
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