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466
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1 <refentry id="l3tol">
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2 <refnamediv>
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567
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3 <refname>L3tol</refname>
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4 <refname>Ltol3</refname>
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656
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5 <refpurpose>convert between long integers and 3-byte integers</refpurpose>
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466
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6 </refnamediv>
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7
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8 <refsynopsisdiv>
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9 <funcsynopsis>
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10 <funcprototype>
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11 <funcdef><function>l3tol</function></funcdef>
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567
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12 <paramdef>long *<parameter>lp</parameter></paramdef>
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13 <paramdef>char *<parameter>cp</parameter></paramdef>
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14 <paramdef>int <parameter>n</parameter></paramdef>
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15 </funcprototype>
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16
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17 <funcprototype>
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18 <funcdef><function>ltol3</function></funcdef>
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19 <paramdef>char *<parameter>cp</parameter></paramdef>
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20 <paramdef>long *<parameter>lp</parameter></paramdef>
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21 <paramdef>int <parameter>n</parameter></paramdef>
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466
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22 </funcprototype>
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23 </funcsynopsis>
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24
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25 </refsynopsisdiv>
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26
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27 <refsect1><title>Description</title>
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28 <para>
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567
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29 Certain system values, such as disc addresses, are maintained
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30 in three-byte form rather than four-byte; these functions
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31 enable arithmetic to be used on them.
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32 </para>
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33 <para>
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34 L3tol converts a vector on "n" three-byte integers pointed to
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35 by "cp", into a vector of long integers starting at "lp".
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36 </para>
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37 <para>
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38 Ltol3 does the opposite.
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466
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39 </para>
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40 </refsect1>
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41 </refentry>
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