tolower.html

来自「unix 下的C开发手册,还用详细的例程。」· HTML 代码 · 共 69 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>tolower</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_000_010_109">&nbsp;</a>NAME</h4><blockquote>tolower - transliterate upper-case characters to lower-case</blockquote><h4><a name = "tag_000_010_110">&nbsp;</a>SYNOPSIS</h4><blockquote><pre><code>#include &lt;<a href="ctype.h.html">ctype.h</a>&gt;int tolower(int <i>c</i>);</code></pre></blockquote><h4><a name = "tag_000_010_111">&nbsp;</a>DESCRIPTION</h4><blockquote>The<i>tolower()</i>function has as a domain a type<b>int</b>,the value of which is representable as an<b>unsigned char</b>or the value of EOF.If the argument has any other value, the behaviour is undefined.If the argument of<i>tolower()</i>represents an upper-case letter,and there exists a corresponding lower-case letter(as defined by character type informationin the program locale category LC_CTYPE), the result is the correspondinglower-case letter.  All other arguments in the domain arereturned unchanged.</blockquote><h4><a name = "tag_000_010_112">&nbsp;</a>RETURN VALUE</h4><blockquote>On successful completion,<i>tolower()</i>returns thelower-case letter corresponding to the argument passed;otherwise it returns the argument unchanged.</blockquote><h4><a name = "tag_000_010_113">&nbsp;</a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_000_010_114">&nbsp;</a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_010_115">&nbsp;</a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_010_116">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_010_117">&nbsp;</a>SEE ALSO</h4><blockquote><i><a href="setlocale.html">setlocale()</a></i>,<i><a href="ctype.h.html">&lt;ctype.h&gt;</a></i>,the <b>XBD</b> specification, <a href="../xbd/locale.html"><b>Locale</b>&nbsp;</a>.</blockquote><h4>DERIVATION</h4><blockquote>Derived from Issue 1 of the SVID.</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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本页面展示了「unix 下的C开发手册,还用详细的例程。」中的 tolower.html 源码文件，采用 HTML 编程语言编写，共 69 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

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