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<html><head><title>Net::netent (Perl in a Nutshell, 2nd Edition)</title><link rel="stylesheet" type="text/css" href="../style/style1.css" /><meta name="DC.Creator" content="Stephen Spainhour" /><meta name="DC.Format" content="text/xml" scheme="MIME" /><meta name="DC.Language" content="en-US" /><meta name="DC.Publisher" content="O'Reilly & Associates, Inc." /><meta name="DC.Source" scheme="ISBN" content="0596002416L" /><meta name="DC.Subject.Keyword" content="stuff" /><meta name="DC.Title" content="Perl in a Nutshell, 2nd Edition" /><meta name="DC.Type" content="Text.Monograph" /></head><body bgcolor="#ffffff"><img src="gifs/smbanner.gif" usemap="#banner-map" border="0" alt="Book Home" /><map name="banner-map"><area shape="rect" coords="1,-2,616,66" href="index.htm" alt="Java and XSLT" /><area shape="rect" coords="629,-11,726,25" href="jobjects/fsearch.htm" alt="Search this book" /></map><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch08_155.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228" /><td align="right" valign="top" width="228"><a href="ch08_157.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr></table></div><h2 class="sect1">8.156. Net::netent</h2><p><a name="INDEX-1512" />Returns information for a network.Overrides the core <tt class="literal">getnetbyname</tt> and<tt class="literal">getnetbyaddr</tt> functions with object-orientedversions that return Net::netent objects. The objects have methodsthat return the fields of the same name from the<em class="emphasis">netent</em> structure in<em class="emphasis">netdb.h</em>:</p><a name="ch08-457-fm2xml" /><table border="1" cellpadding="3"><tr><th><p>Field</p></th><th><p>Description</p></th></tr><tr><td><p><tt class="literal">addrtype</tt></p></td><td><p>Net address type</p></td></tr><tr><td><p><tt class="literal">aliases</tt></p></td><td><p>Array of aliases</p></td></tr><tr><td><p><tt class="literal">name</tt></p></td><td><p>Name of net</p></td></tr><tr><td><p><tt class="literal">net</tt></p></td><td><p>Network number</p></td></tr></table><p><p>You can access the structure fields with the methods or by importingthe fields into your namespace with the :FIELDS import tag andaccessing them by prepending <tt class="literal">n_</tt> to the field name:</p><blockquote><pre class="code">$net_obj->name( )$n_name</pre></blockquote><p>Net::netent exports the following.</p><div class="refentry"><table width="515" border="0" cellpadding="5"><tr><td align="left"><font size="+1"><b>getnet</b></font></td><td align="right"><i></i></td></tr></table><hr width="515" size="3" noshade="true" align="left" color="black" /><pre>getnet (<em class="replaceable">net</em>)</pre><p>Frontend for <tt class="literal">getnetbyaddr</tt> and<tt class="literal">getnetbyname</tt>. If <em class="replaceable"><tt>net</tt></em> isnumeric, calls <tt class="literal">getnetbyaddr</tt>; otherwise, calls<tt class="literal">getnetbyname</tt>.</p></div><div class="refentry"><table width="515" border="0" cellpadding="5"><tr><td align="left"><font size="+1"><b>getnetbyaddr</b></font></td><td align="right"><i></i></td></tr></table><hr width="515" size="3" noshade="true" align="left" color="black" /><pre>getnetbyaddr (<em class="replaceable">addr</em>, <em class="replaceable">addrtype</em>)</pre><p>Returns information about the net with address<em class="replaceable"><tt>addr</tt></em> of type<em class="replaceable"><tt>addrtype</tt></em>.</p></div><div class="refentry"><table width="515" border="0" cellpadding="5"><tr><td align="left"><font size="+1"><b>getnetbyname</b></font></td><td align="right"><i></i></td></tr></table><hr width="515" size="3" noshade="true" align="left" color="black" /><pre>getnetbyname (<em class="replaceable">netname</em>)</pre><p>Returns information about the net with name<em class="replaceable"><tt>netname</tt></em>.</p></div><hr width="684" align="left" /><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch08_155.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228"><a href="index.htm"><img src="../gifs/txthome.gif" alt="Home" border="0" /></a></td><td align="right" valign="top" width="228"><a href="ch08_157.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr><tr><td align="left" valign="top" width="228">8.155. Net::hostent</td><td align="center" valign="top" width="228"><a href="index/index.htm"><img src="../gifs/index.gif" alt="Book Index" border="0" /></a></td><td align="right" valign="top" width="228">8.157. Net::Netrc</td></tr></table></div><hr width="684" align="left" /><img src="../gifs/navbar.gif" usemap="#library-map" border="0" alt="Library Navigation Links" /><p><p><font size="-1"><a href="copyrght.htm">Copyright © 2002</a> O'Reilly & Associates. 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