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DB-&gt;set_msgfile
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#include &lt;db.h&gt;

void
DB-&gt;set_msgfile(DB *db, FILE *msgfile);

void
DB-&gt;get_msgfile(DB *db, FILE **msgfilep);
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Description: DB-&gt;set_msgfile
There are interfaces in the Berkeley DB library which either directly output
informational messages or statistical information, or configure the
library to output such messages when performing other operations, for
example, <a href="../../db4-devel-4.7.25/api_c/env_set_verbose.html">DB_ENV-&gt;set_verbose</a> and <a href="../../db4-devel-4.7.25/api_c/env_stat.html">DB_ENV-&gt;stat_print</a>.
The <a href="../../db4-devel-4.7.25/api_c/env_set_msgfile.html">DB_ENV-&gt;set_msgfile</a> and DB-&gt;set_msgfile methods are used to
display these messages for the application.
In this case the message will include a trailing &lt;newline&gt;
character.
Setting msgfile to NULL unconfigures the interface.
Alternatively, you can use the <a href="../../db4-devel-4.7.25/api_c/env_set_msgcall.html">DB_ENV-&gt;set_msgcall</a> or
<a href="../../db4-devel-4.7.25/api_c/db_set_msgcall.html">DB-&gt;set_msgcall</a> methods to capture the additional error information
in a way that does not use C library FILE *'s.
For <a href="../../db4-devel-4.7.25/api_c/db_class.html">DB</a> handles opened inside of Berkeley DB environments, calling the
DB-&gt;set_msgfile method affects the entire environment and is equivalent to calling
the <a href="../../db4-devel-4.7.25/api_c/env_set_msgfile.html">DB_ENV-&gt;set_msgfile</a> method.
The DB-&gt;set_msgfile method configures operations performed using the specified
<a href="../../db4-devel-4.7.25/api_c/db_class.html">DB</a> handle, not all operations performed on the underlying
database.
The DB-&gt;set_msgfile method may be called at any time during the life of the
application.
Parameters 
 msgfile<ul compact><li>The msgfile parameter is a C library FILE * to be used for
displaying messages.</ul>
 
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Description: DB-&gt;get_msgfile
The DB-&gt;get_msgfile method returns the FILE *.
The DB-&gt;get_msgfile method may be called at any time during the life of the
application.
The DB-&gt;get_msgfile method
returns a non-zero error value on failure
and 0 on success.

Parameters 
 msgfilep<ul compact><li>The DB-&gt;get_msgfile method returns the
FILE * in msgfilep.</ul>
 
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 Class
<a href="../../db4-devel-4.7.25/api_c/db_class.html">DB</a>
 See Also
<a href="../../db4-devel-4.7.25/api_c/db_list.html">Databases and Related Methods</a>
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