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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>uname</title></head><body bgcolor=white><center><font size=2>The Single UNIX ® Specification, Version 2<br>Copyright © 1997 The Open Group</font></center><hr size=2 noshade><h4><a name = "tag_000_010_247"> </a>NAME</h4><blockquote>uname - get name of current system</blockquote><h4><a name = "tag_000_010_248"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <<a href="sysutsname.h.html">sys/utsname.h</a>>int uname(struct utsname *<i>name</i>);</code></pre></blockquote><h4><a name = "tag_000_010_249"> </a>DESCRIPTION</h4><blockquote>The<i>uname()</i>function stores information identifying the current system in thestructure pointed to by<i>name</i>.<p>The<i>uname()</i>function uses the<i>utsname</i>structure defined in<i><a href="sysutsname.h.html"><sys/utsname.h></a></i>.<p>The<i>uname()</i>function returns a string naming the current system in the character array<i>sysname</i>.Similarly,<i>nodename</i>contains the name that the system is known by on a communicationsnetwork.The arrays<i>release</i>and<i>version</i>further identify the operating system.The array<i>machine</i>contains a name that identifies the hardware thatthesystem is running on.<p>The format of each member is implementation-dependent.</blockquote><h4><a name = "tag_000_010_250"> </a>RETURN VALUE</h4><blockquote>Upon successful completion, a non-negative value is returned.Otherwise, -1 is returned and<i>errno</i>is set to indicate the error.</blockquote><h4><a name = "tag_000_010_251"> </a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_000_010_252"> </a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_010_253"> </a>APPLICATION USAGE</h4><blockquote>The inclusion of the<i>nodename</i>member in this structure does not imply that it is sufficient informationfor interfacing to communications networks.</blockquote><h4><a name = "tag_000_010_254"> </a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_010_255"> </a>SEE ALSO</h4><blockquote><i><a href="sysutsname.h.html"><sys/utsname.h></a></i>.</blockquote><h4>DERIVATION</h4><blockquote>Derived from Issue 1 of the SVID.</blockquote><hr size=2 noshade><center><font size=2>UNIX ® is a registered Trademark of The Open Group.<br>Copyright © 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>⌨️ 快捷键说明
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