115 lines
3.5 KiB
HTML
115 lines
3.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta name="generator" content="HTML Tidy, see www.w3.org">
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<link type="text/css" rel="stylesheet" href="style.css"><!-- Generated by The Open Group's rhtm tool v1.2.1 -->
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<!-- Copyright (c) 2001 The Open Group, All Rights Reserved -->
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<title>gethostname</title>
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</head>
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<body bgcolor="white">
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<basefont size="3"> <a name="gethostname"></a> <a name="tag_03_228"></a><!-- gethostname -->
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<!--header start-->
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<center><font size="2">The Open Group Base Specifications Issue 6<br>
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IEEE Std 1003.1-2001<br>
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Copyright © 2001 The IEEE and The Open Group, All Rights reserved.</font></center>
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<!--header end-->
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<hr size="2" noshade>
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<h4><a name="tag_03_228_01"></a>NAME</h4>
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<blockquote>gethostname - get name of current host</blockquote>
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<h4><a name="tag_03_228_02"></a>SYNOPSIS</h4>
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<blockquote class="synopsis">
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<p><code><tt>#include <<a href="../basedefs/unistd.h.html">unistd.h</a>><br>
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<br>
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int gethostname(char *</tt><i>name</i><tt>, size_t</tt> <i>namelen</i><tt>);<br>
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</tt></code></p>
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</blockquote>
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<h4><a name="tag_03_228_03"></a>DESCRIPTION</h4>
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<blockquote>
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<p>The <i>gethostname</i>() function shall return the standard host name for the current machine. The <i>namelen</i> argument shall
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specify the size of the array pointed to by the <i>name</i> argument. The returned name shall be null-terminated, except that if
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<i>namelen</i> is an insufficient length to hold the host name, then the returned name shall be truncated and it is unspecified
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whether the returned name is null-terminated.</p>
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<p>Host names are limited to {HOST_NAME_MAX} bytes.</p>
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</blockquote>
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<h4><a name="tag_03_228_04"></a>RETURN VALUE</h4>
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<blockquote>
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<p>Upon successful completion, 0 shall be returned; otherwise, -1 shall be returned.</p>
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</blockquote>
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<h4><a name="tag_03_228_05"></a>ERRORS</h4>
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<blockquote>
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<p>No errors are defined.</p>
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</blockquote>
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<hr>
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<div class="box"><em>The following sections are informative.</em></div>
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<h4><a name="tag_03_228_06"></a>EXAMPLES</h4>
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<blockquote>
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<p>None.</p>
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</blockquote>
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<h4><a name="tag_03_228_07"></a>APPLICATION USAGE</h4>
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<blockquote>
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<p>None.</p>
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</blockquote>
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<h4><a name="tag_03_228_08"></a>RATIONALE</h4>
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<blockquote>
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<p>None.</p>
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</blockquote>
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<h4><a name="tag_03_228_09"></a>FUTURE DIRECTIONS</h4>
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<blockquote>
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<p>None.</p>
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</blockquote>
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<h4><a name="tag_03_228_10"></a>SEE ALSO</h4>
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<blockquote>
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<p><a href="gethostid.html"><i>gethostid</i>()</a> , <a href="uname.html"><i>uname</i>()</a> , the Base Definitions volume of
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IEEE Std 1003.1-2001, <a href="../basedefs/unistd.h.html"><i><unistd.h></i></a></p>
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</blockquote>
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<h4><a name="tag_03_228_11"></a>CHANGE HISTORY</h4>
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<blockquote>
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<p>First released in Issue 6. Derived from the XNS, Issue 5.2 specification.</p>
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<p>The Open Group Base Resolution bwg2001-008 is applied, changing the <i>namelen</i> parameter from <b>socklen_t</b> to
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<b>size_t</b>.</p>
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</blockquote>
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<div class="box"><em>End of informative text.</em></div>
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<hr>
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<hr size="2" noshade>
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<center><font size="2"><!--footer start-->
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UNIX ® is a registered Trademark of The Open Group.<br>
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POSIX ® is a registered Trademark of The IEEE.<br>
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[ <a href="../mindex.html">Main Index</a> | <a href="../basedefs/contents.html">XBD</a> | <a href=
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"../utilities/contents.html">XCU</a> | <a href="../functions/contents.html">XSH</a> | <a href="../xrat/contents.html">XRAT</a>
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]</font></center>
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