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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>addch</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_002_001_198"> </a>NAME</h4><blockquote>addch, mvaddch, mvwaddch, waddch- add a single-byte character and rendition to a window and advance the cursor</blockquote><h4><a name = "tag_002_001_199"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <<a href="curses.h.html">curses.h</a>>int addch(const chtype <i>ch</i>);int mvaddch(int <i>y</i>, int <i>x</i>, const chtype <i>ch</i>);int mvwaddch(WINDOW *<i>win</i>, int <i>y</i>, int <i>x</i>, const chtype <i>ch</i>);int waddch(WINDOW *<i>win</i>, const chtype <i>ch</i>);</code></pre></blockquote><h4><a name = "tag_002_001_200"> </a>DESCRIPTION</h4><blockquote>The<i>addch()</i>,<i>mvaddch()</i>,<i>mvwaddch()</i>and<i>waddch()</i>functions place <i>ch</i> into the current or specified window at thecurrent or specified position, and then advance the window's cursor position.These functions perform wrapping. These functions perform special-characterprocessing.</blockquote><h4><a name = "tag_002_001_201"> </a>RETURN VALUE</h4><blockquote>Upon successful completion, these functions return OK.Otherwise they return ERR.</blockquote><h4><a name = "tag_002_001_202"> </a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_002_001_203"> </a>APPLICATION USAGE</h4><blockquote>These functions are only guaranteed to operate reliably on character sets inwhich each character fits into a single byte, whose attributes can beexpressed using only constants with the A_ prefix.</blockquote><h4><a name = "tag_002_001_204"> </a>SEE ALSO</h4><blockquote><xref href=wrendition><a href="intov.html#tag_001_004_004">Rendition of Characters Placed into a Window</a></xref>,<i><a href="add_wch.html">add_wch()</a></i>,<i><a href="attroff.html">attroff()</a></i>,<i><a href="doupdate.html">doupdate()</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>⌨️ 快捷键说明
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