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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>keypad</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_045"> </a>NAME</h4><blockquote>keypad - enable/disable abbreviation of function keys</blockquote><h4><a name = "tag_001_009_046"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <<a href="curses.h.html">curses.h</a>>int keypad(WINDOW *<i>win</i>, bool <i>bf</i>);</code></pre></blockquote><h4><a name = "tag_001_009_047"> </a>DESCRIPTION</h4><blockquote>The<i>keypad()</i>function controls keypad translation.If <i>bf</i> is TRUE, keypad translation is turned on.If <i>bf</i> is FALSE, keypad translation is turned off.The initial state is FALSE.<p>This function affects the behaviour of any function that provideskeyboard input.<p>If the terminal in use requires a command to enable it to transmit distinctivecodes when a function key is pressed, then after keypad translation is firstenabled, the implementation transmits this command to the terminal before anaffected input function tries to read any characters from that terminal.</blockquote><h4><a name = "tag_001_009_048"> </a>RETURN VALUE</h4><blockquote>Upon successful completion,<i>keypad()</i>returns OK. Otherwise, it returns ERR.</blockquote><h4><a name = "tag_001_009_049"> </a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_001_009_050"> </a>SEE ALSO</h4><blockquote><xref href=keypadproc><a href="intov.html#tag_001_005_001">Keypad Processing</a></xref>,<i><a href="curses.h.html"><curses.h></a></i>.</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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