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466
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1 <refentry id="close">
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2 <refnamediv>
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468
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3 <refname>Close</refname>
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4 <refpurpose>close a file</refpurpose>
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466
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5 </refnamediv>
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6
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7 <refsynopsisdiv>
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8 <funcsynopsis>
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9 <funcprototype>
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10 <funcdef><function>close</function></funcdef>
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566
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11 <paramdef>int <parameter>pn</parameter></paramdef>
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466
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12 </funcprototype>
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13 </funcsynopsis>
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14
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15 </refsynopsisdiv>
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16
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540
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17 <refsect1><title>Assembler Equivalent</title>
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18 <para>
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19 os9 I$CLOSE
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20 </para>
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21 </refsect1>
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22
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466
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23 <refsect1><title>Description</title>
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24 <para>
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566
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25 Close takes a path number, "pn", as returned from system calls
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26 "open()", "creat()", or "dup()", and closes the associated
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27 file.
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28 </para>
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29 <para>
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30 Termination of a task always closes all open files
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31 automatically, but it is necessary to close files where
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32 multiple files are opened by the task, and it is desired to
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33 re-use path numbers to avoid going over the system or process
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34 path number limit.
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466
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35 </para>
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36 </refsect1>
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540
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37
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38 <refsect1><title>See Also</title>
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39 <para>
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40 <link linkend="creat">creat()</link>,
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41 <link linkend="open">open()</link>,
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42 <link linkend="dup">dup()</link>
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43 </para>
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44 </refsect1>
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466
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45 </refentry>
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