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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>proc_doulongvec_minmax</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><link rel="home" href="index.html" title="Linux Filesystems API" /><link rel="up" href="proc.html#sysctl_interface" title="sysctl interface" /><link rel="prev" href="API-proc-dointvec-minmax.html" title="proc_dointvec_minmax" /><link rel="next" href="API-proc-doulongvec-ms-jiffies-minmax.html" title="proc_doulongvec_ms_jiffies_minmax" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">proc_doulongvec_minmax</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-proc-dointvec-minmax.html">Prev</a>&#160;</td><th width="60%" align="center">sysctl interface</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-proc-doulongvec-ms-jiffies-minmax.html">Next</a></td></tr></table><hr /></div><div class="refentry"><a id="API-proc-doulongvec-minmax"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>proc_doulongvec_minmax &#8212; 
     read a vector of long integers with min/max values
 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <strong class="fsfunc">proc_doulongvec_minmax </strong>(</code></td><td>struct ctl_table * <var class="pdparam">table</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">write</var>, </td></tr><tr><td>&#160;</td><td>void __user * <var class="pdparam">buffer</var>, </td></tr><tr><td>&#160;</td><td>size_t * <var class="pdparam">lenp</var>, </td></tr><tr><td>&#160;</td><td>loff_t * <var class="pdparam">ppos</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a id="idm139881793884864"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>table</code></em></span></dt><dd><p>
     the sysctl table
    </p></dd><dt><span class="term"><em class="parameter"><code>write</code></em></span></dt><dd><p>
     <code class="constant">TRUE</code> if this is a write to the sysctl file
    </p></dd><dt><span class="term"><em class="parameter"><code>buffer</code></em></span></dt><dd><p>
     the user buffer
    </p></dd><dt><span class="term"><em class="parameter"><code>lenp</code></em></span></dt><dd><p>
     the size of the user buffer
    </p></dd><dt><span class="term"><em class="parameter"><code>ppos</code></em></span></dt><dd><p>
     file position
    </p></dd></dl></div></div><div class="refsect1"><a id="idm139881793873216"></a><h2>Description</h2><p>
   Reads/writes up to table-&gt;maxlen/sizeof(unsigned long) unsigned long
   values from/to the user buffer, treated as an ASCII string.
   </p><p>

   This routine will ensure the values are within the range specified by
   table-&gt;extra1 (min) and table-&gt;extra2 (max).
   </p><p>

   Returns 0 on success.
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