📄 symclose.htm
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<title>symClose -- basic</title>
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<td class=title-left><b> symClose</b></td>
<td class=title-center><b> basic</b></td>
<td class=title-right><B> EMF</B></td>
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<h2>Synopsis</h2>
<p>Closes and frees a symbol table</p>
<h2>Prototype</h2>
<pre>
void <b>symClose</b>(sym_fd_t sd, void (*cleanup)(sym_t *symp));
</pre>
<h2>Parameters</h2>
<p>
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<td width=40>sd</td>
<td>Table handle</td>
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<td width=40>cleanup</td>
<td>Function pointer that performs any table specific cleanup</td>
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<h2>Description</h2>
<p>
This module implements a highly efficient generic symbol table with
update and access routines. Symbols are simple character strings and
the values they take can be flexible types as defined by value_t.
This module allows multiple symbol tables to be created.
</p>
<p>
Frees all symbols in the hash table, then the hash table itself.
</p>
<h2>Return Value</h2>
<p>
No return value
</p>
<h2>Example</h2>
<pre>
sym_fd_t id;
symClose(id, websFreeVar);
/*********************************************
/*
* Callback from symClose. Free the variable.
*/
static void websFreeVar(sym_t* sp)
{
valueFree(&sp->content);
}
</pre>
<h2>See Also</h2>
<p>
<a href="symDelete.htm">symDelete</a>,
<a href="symEnter.htm">symEnter</a>,
<a href="symFirst.htm">symFirst</a>,
<a href="symLookup.htm">symLookup</a>,
<a href="symNext.htm">symNext</a>,
<a href="symOpen.htm">symOpen</a>
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