📄 gai_strerror.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>gai_strerror</title></head><body bgcolor="white"><basefont size="3"> <a name="gai_strerror"></a> <a name="tag_03_207"></a><!-- gai_strerror --> <!--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_03_207_01"></a>NAME</h4><blockquote>gai_strerror - address and name information error description</blockquote><h4><a name="tag_03_207_02"></a>SYNOPSIS</h4><blockquote class="synopsis"><p><code><tt>#include <<a href="../basedefs/netdb.h.html">netdb.h</a>><br><br> const char *gai_strerror(int</tt> <i>ecode</i><tt>);<br></tt></code></p></blockquote><h4><a name="tag_03_207_03"></a>DESCRIPTION</h4><blockquote><p>The <i>gai_strerror</i>() function shall return a text string describing an error value for the <a href="../functions/getaddrinfo.html"><i>getaddrinfo</i>()</a> and <a href="../functions/getnameinfo.html"><i>getnameinfo</i>()</a>functions listed in the <a href="../basedefs/netdb.h.html"><i><netdb.h></i></a> header.</p><p>When the <i>ecode</i> argument is one of the following values listed in the <a href="../basedefs/netdb.h.html"><i><netdb.h></i></a> header:</p><blockquote><pre>[EAI_AGAIN][EAI_BADFLAGS][EAI_FAIL][EAI_FAMILY][EAI_MEMORY][EAI_NONAME][EAI_OVERFLOW][EAI_SERVICE][EAI_SOCKTYPE][EAI_SYSTEM]</pre></blockquote><p>the function return value shall point to a string describing the error. If the argument is not one of those values, the functionshall return a pointer to a string whose contents indicate an unknown error.</p></blockquote><h4><a name="tag_03_207_04"></a>RETURN VALUE</h4><blockquote><p>Upon successful completion, <i>gai_strerror</i>() shall return a pointer to an implementation-defined string.</p></blockquote><h4><a name="tag_03_207_05"></a>ERRORS</h4><blockquote><p>No errors are defined.</p></blockquote><hr><div class="box"><em>The following sections are informative.</em></div><h4><a name="tag_03_207_06"></a>EXAMPLES</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_03_207_07"></a>APPLICATION USAGE</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_03_207_08"></a>RATIONALE</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_03_207_09"></a>FUTURE DIRECTIONS</h4><blockquote><p>None.</p></blockquote><h4><a name="tag_03_207_10"></a>SEE ALSO</h4><blockquote><p><a href="getaddrinfo.html"><i>getaddrinfo</i>()</a> , the Base Definitions volume of IEEE Std 1003.1-2001, <a href="../basedefs/netdb.h.html"><i><netdb.h></i></a></p></blockquote><h4><a name="tag_03_207_11"></a>CHANGE HISTORY</h4><blockquote><p>First released in Issue 6. Derived from the XNS, Issue 5.2 specification.</p><p>The Open Group Base Resolution bwg2001-009 is applied, which changes the return type from <b>char *</b> to <b>const char *</b>.This is for coordination with the IPnG Working Group.</p><p>IEEE Std 1003.1-2001/Cor 1-2002, item XSH/TC1/D6/22 is applied, adding the [EAI_OVERFLOW] error code.</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 + -