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<th width="60%" align="center">Appendix C.
Berkeley DB Application Space Static Functions
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<h2 class="title" style="clear: both"><a id="db_env_set_func_realloc"></a>db_env_set_func_realloc</h2>
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<pre class="programlisting">#include <db.h>
int
db_env_set_func_realloc(void *(*func_realloc)(void *ptr, size_t size)); </pre>
<p>
Replace Berkeley DB calls to the ANSI C X3.159-1989 (ANSI C) standard
<span class="bold"><strong>realloc</strong></span> function with <span class="bold"><strong>func_realloc</strong></span>, which must conform to the
standard interface specification.
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<p>
The <code class="function">db_env_set_func_realloc()</code> function configures all operations performed
by a process and all of its threads of control, not operations
confined to a single database environment.
</p>
<p>
Although the <code class="function">db_env_set_func_realloc()</code> function may be called at any time
during the life of the application, it should normally be called
before making calls to the <a class="xref" href="envcreate.html" title="db_env_create">db_env_create</a> or
<a class="xref" href="dbcreate.html" title="db_create">db_create</a> methods.
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<p>
The <code class="function">db_env_set_func_realloc()</code> <span>
function returns a non-zero error value on failure and 0 on success.
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<h4 class="title"><a id="idp55687600"></a>func_realloc</h4>
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The <span class="bold"><strong>func_realloc</strong></span> parameter is the
replacement function. It must conform to the standard interface
specification.
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<a href="../../programmer_reference/program_runtime.html" class="olink">Run-time configuration</a>
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