view docs/ccguide/qsort.refentry @ 472:f0c8d53e5a50

entered: chdir chmod qsort strass toupper tsleep wait
author roug
date Sun, 06 Oct 2002 09:10:36 +0000
parents bea58398bb15
children d9ab3688bb71
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<refentry id="qsort">
<refnamediv>
<refname>qsort</refname>
<refpurpose>Placeholder</refpurpose>
</refnamediv>

<refsynopsisdiv>
<funcsynopsis>
<funcprototype>
  <funcdef><function>qsort</function></funcdef>
  <paramdef>char *<parameter>base</parameter></paramdef>
  <paramdef>int <parameter>n</parameter></paramdef>
  <paramdef>int <parameter>size</parameter></paramdef>
    <paramdef>int <parameter>(* compfunc)</parameter>
      <funcparams>void *, void *</funcparams></paramdef>
</funcprototype>
</funcsynopsis>

</refsynopsisdiv>

<refsect1><title>Description</title>
<para>
Qsort implements the quick-sort algoritm for sortig an
arbitrary array of items.
</para>
<para>
"Base" is the address of the array of "n" items of size "size".
"Compfunc" is a pointer to a comparison routine supplied by
the user. It will be called by qsort with two pointers to
items in the array for comparison and should return an integer
which is less than, equal to, or greater than 0 where,
respectively, the first item is less than, equal to, or greater
than the second.
</para>
</refsect1>
</refentry>