📄 dlfcn.h.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta name="generator" content="HTML Tidy, see www.w3.org"><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><link type="text/css" rel="stylesheet" href="style.css"><!-- Generated by The Open Group's rhtm tool v1.2.1 --><!-- Copyright (c) 2001-2003 The Open Group, All Rights Reserved --><title><dlfcn.h></title></head><body bgcolor="white"><script type="text/javascript" language="JavaScript" src="../jscript/codes.js"></script><basefont size="3"> <a name="<dlfcn.h>"></a> <a name="tag_13_09"></a><!-- <dlfcn.h> --> <!--header start--><center><font size="2">The Open Group Base Specifications Issue 6<br>IEEE Std 1003.1, 2003 Edition<br>Copyright © 2001-2003 The IEEE and The Open Group, All Rights reserved.</font></center><!--header end--><hr size="2" noshade><h4><a name="tag_13_09_01"></a>NAME</h4><blockquote>dlfcn.h - dynamic linking</blockquote><h4><a name="tag_13_09_02"></a>SYNOPSIS</h4><blockquote class="synopsis"><div class="box"><tt><sup>[<a href="javascript:open_code('XSI')">XSI</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0"> #include <dlfcn.h> <img src="../images/opt-end.gif" alt="[Option End]" border="0"></tt></div></blockquote><h4><a name="tag_13_09_03"></a>DESCRIPTION</h4><blockquote><p>The <i><dlfcn.h></i> header shall define at least the following macros for use in the construction of a <a href="../functions/dlopen.html"><i>dlopen</i>()</a> <i>mode</i> argument:</p><dl compact><dt>RTLD_LAZY</dt><dd>Relocations are performed at an implementation-defined time.</dd><dt>RTLD_NOW</dt><dd>Relocations are performed when the object is loaded.</dd><dt>RTLD_GLOBAL</dt><dd>All symbols are available for relocation processing of other modules.</dd><dt>RTLD_LOCAL</dt><dd>All symbols are not made available for relocation processing by other modules.</dd></dl><p>The following shall be declared as functions and may also be defined as macros. Function prototypes shall be provided.</p><pre><tt>int dlclose(void *);char *dlerror(void);void *dlopen(const char *, int);void *dlsym(void *restrict, const char *restrict);</tt></pre></blockquote><hr><div class="box"><em>The following sections are informative.</em></div><h4><a name="tag_13_09_04"></a>APPLICATION USAGE</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_13_09_05"></a>RATIONALE</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_13_09_06"></a>FUTURE DIRECTIONS</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_13_09_07"></a>SEE ALSO</h4><blockquote><p>The System Interfaces volume of IEEE Std 1003.1-2001, <a href="../functions/dlopen.html"><i>dlopen</i>()</a>, <a href="../functions/dlclose.html"><i>dlclose</i>()</a>, <a href="../functions/dlsym.html"><i>dlsym</i>()</a>, <a href="../functions/dlerror.html"><i>dlerror</i>()</a></p></blockquote><h4><a name="tag_13_09_08"></a>CHANGE HISTORY</h4><blockquote><p>First released in Issue 5.</p></blockquote><h4><a name="tag_13_09_09"></a>Issue 6</h4><blockquote><p>The <b>restrict</b> keyword is added to the prototype for <a href="../functions/dlsym.html"><i>dlsym</i>()</a>.</p></blockquote><div class="box"><em>End of informative text.</em></div><hr><hr size="2" noshade><center><font size="2"><!--footer start-->UNIX ® is a registered Trademark of The Open Group.<br>POSIX ® is a registered Trademark of The IEEE.<br>[ <a href="../mindex.html">Main Index</a> | <a href="../basedefs/contents.html">XBD</a> | <a href="../utilities/contents.html">XCU</a> | <a href="../functions/contents.html">XSH</a> | <a href="../xrat/contents.html">XRAT</a>]</font></center><!--footer end--><hr size="2" noshade></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -