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466
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1 <refentry id="stacksize">
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2 <refnamediv>
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468
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3 <refname>Stacksize</refname>
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4 <refname>Freemem</refname>
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5 <refpurpose>obtain stack reservation size</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>stacksize</function></funcdef>
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12 <void/>
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13 </funcprototype>
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14 <funcprototype>
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15 <funcdef><function>freemem</function></funcdef>
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16 <void/>
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466
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17 </funcprototype>
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18 </funcsynopsis>
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19
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20 </refsynopsisdiv>
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21
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22 <refsect1><title>Description</title>
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23 <para>
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24 For a description of the meaning and use of this call, the user
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25 is referred to the Memory Management section of this manual.
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26 </para>
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27 <para>
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28 If the stack check code is in effect, a call to stacksize will
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29 return the maximum number of bytes of stack used at the time of
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30 the call. This call can be used to determine the stack size
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31 required by a program.
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32 </para>
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33 <para>
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34 Freemem() will return the number of bytes of the stack that has
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35 not been used.
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36 </para>
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37 </refsect1>
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38
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39 <refsect1><title>See Also</title>
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40 <para>
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41 <link linkend="sbrk">ibrk(), sbrk()</link>,
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42 Global variable "memend" and value "end".
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43 </para>
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44 </refsect1>
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45
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46 </refentry>
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