📄 getpgrp.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><!-- Copyright 1997 The Open Group, All Rights Reserved --><title>getpgrp</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_005_653"> </a>NAME</h4><blockquote>getpgrp - get the process group ID of the calling process</blockquote><h4><a name = "tag_000_005_654"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <<a href="systypes.h.html">sys/types.h</a>>#include <<a href="unistd.h.html">unistd.h</a>>pid_t getpgrp(void);</code></pre></blockquote><h4><a name = "tag_000_005_655"> </a>DESCRIPTION</h4><blockquote>The<i>getpgrp()</i>function returns the process group ID of the calling process.</blockquote><h4><a name = "tag_000_005_656"> </a>RETURN VALUE</h4><blockquote>The<i>getpgrp()</i>function is always successful and no return value is reserved toindicate an error.</blockquote><h4><a name = "tag_000_005_657"> </a>ERRORS</h4><blockquote>No errors are defined.</blockquote><h4><a name = "tag_000_005_658"> </a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_005_659"> </a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_005_660"> </a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_005_661"> </a>SEE ALSO</h4><blockquote><i><a href="exec.html">exec</a></i>,<i><a href="fork.html">fork()</a></i>,<i><a href="getpgid.html">getpgid()</a></i>,<i><a href="getpid.html">getpid()</a></i>,<i><a href="getppid.html">getppid()</a></i>,<i><a href="kill.html">kill()</a></i>,<i><a href="setpgid.html">setpgid()</a></i>,<i><a href="setsid.html">setsid()</a></i>,<i><a href="systypes.h.html"><sys/types.h></a></i>,<i><a href="unistd.h.html"><unistd.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
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 + -