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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>putwc</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_007_1816"> </a>NAME</h4><blockquote>putwc - put a wide-character on a stream</blockquote><h4><a name = "tag_000_007_1817"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <<a href="stdio.h.html">stdio.h</a>>#include <<a href="wchar.h.html">wchar.h</a>>wint_t putwc(wchar_t <i>wc</i>, FILE *<i>stream</i>);</code></pre></blockquote><h4><a name = "tag_000_007_1818"> </a>DESCRIPTION</h4><blockquote>The<i>putwc()</i>function is equivalent to<i><a href="fputwc.html">fputwc()</a></i>,except that if it is implemented as a macro it may evaluate<i>stream</i>more than once, so the argument should never be an expressionwith side-effects.</blockquote><h4><a name = "tag_000_007_1819"> </a>RETURN VALUE</h4><blockquote>Refer to<i><a href="fputwc.html">fputwc()</a></i>.</blockquote><h4><a name = "tag_000_007_1820"> </a>ERRORS</h4><blockquote>Refer to<i><a href="fputwc.html">fputwc()</a></i>.</blockquote><h4><a name = "tag_000_007_1821"> </a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_007_1822"> </a>APPLICATION USAGE</h4><blockquote>Because it may be implemented as a macro,<i>putwc()</i>may treat a<i>stream</i>argument with side-effects incorrectly. In particular,<i>putwc(wc, *f++)</i>need not work correctly.Therefore, use of this interface is not recommended;<i><a href="fputwc.html">fputwc()</a></i>should be used instead.</blockquote><h4><a name = "tag_000_007_1823"> </a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_007_1824"> </a>SEE ALSO</h4><blockquote><i><a href="fputwc.html">fputwc()</a></i>,<i><a href="stdio.h.html"><stdio.h></a></i>,<i><a href="wchar.h.html"><wchar.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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