beep.html
来自「unix 下的C开发手册,还用详细的例程。」· HTML 代码 · 共 50 行
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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>beep</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_000_000_123"> </a>NAME</h4><blockquote>beep - audible signal</blockquote><h4><a name = "tag_000_000_124"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <<a href="curses.h.html">curses.h</a>>int beep(void);</code></pre></blockquote><h4><a name = "tag_000_000_125"> </a>DESCRIPTION</h4><blockquote>The<i>beep()</i>function alerts the user. It sounds the audible alarm on the terminal,or if that is not possible, it flashes the screen (visible bell).If neither signal is possible, nothing happens.</blockquote><h4><a name = "tag_000_000_126"> </a>RETURN VALUE</h4><blockquote>The<i>beep()</i>function always returns OK.</blockquote><h4><a name = "tag_000_000_127"> </a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_000_000_128"> </a>APPLICATION USAGE</h4><blockquote>Nearly all terminals have an audible alarm, but only some can flash thescreen.</blockquote><h4><a name = "tag_000_000_129"> </a>SEE ALSO</h4><blockquote><i><a href="flash.html">flash()</a></i>,<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>
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