📄 noecho.html

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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>echo</title></head><body bgcolor=white><center><font size=2>The Single UNIX &reg; Specification, Version 2<br>Copyright &copy; 1997 The Open Group</font></center><hr size=2 noshade><h4><a name = "tag_001_009_671">&nbsp;</a>NAME</h4><blockquote>echo, noecho - enable/disable terminal echo</blockquote><h4><a name = "tag_001_009_672">&nbsp;</a>SYNOPSIS</h4><blockquote><pre><code>#include &lt;<a href="curses.h.html">curses.h</a>&gt;int echo(void);int noecho(void);</code></pre></blockquote><h4><a name = "tag_001_009_673">&nbsp;</a>DESCRIPTION</h4><blockquote>The<i>echo()</i>function enables Echo mode for the current screen.  The<i>noecho()</i>function disables Echo mode for the current screen.  Initially, curses software echo mode is enabled and hardware echo mode of the tty driver is disabled.  <i>echo()</i>and<i>noecho()</i>control software echo only.  Hardware echo must remain disabled forthe duration of the application, else the behaviour is undefined.</blockquote><h4><a name = "tag_001_009_674">&nbsp;</a>RETURN VALUE</h4><blockquote>Upon successful completion, these functions return OK.  Otherwise,they return ERR.</blockquote><h4><a name = "tag_001_009_675">&nbsp;</a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_001_009_676">&nbsp;</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">&lt;curses.h&gt;</a></i>,<b>XBD</b> specification, <a href="../xbd/termios.html#tag_008_002"><b>Parameters that Can be Set</b>&nbsp;</a> .</blockquote><hr size=2 noshade><center><font size=2>UNIX &reg; is a registered Trademark of The Open Group.<br>Copyright &copy; 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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