CDE/cde/doc/C/guides/man/m3_Dt/MmdbSGBI.sgm

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<![ %CDE.C.CDE; [<refentry id="CDE.INFO.DtMmdbSectionGetBookId">]]><refmeta><refentrytitle>
DtMmdbSectionGetBookId</refentrytitle><manvolnum>library call</manvolnum></refmeta><refnamediv>
<refname><function>DtMmdbSectionGetBookId</function></refname><refpurpose>obtains
the object identifier of a book
</refpurpose></refnamediv><refsynopsisdiv>
<funcsynopsis>
<funcsynopsisinfo>#include &lt;DtMmdb.h></funcsynopsisinfo>
<funcdef>DtMmdbHandle* <function>DtMmdbSectionGetBookId</function></funcdef>
<paramdef>DtMmdbInfoRequest* <parameter>request</parameter></paramdef>
</funcsynopsis>
</refsynopsisdiv><refsect1>
<title>DESCRIPTION</title>
<para>The <function>DtMmdbSectionGetBookId</function> function
returns the object identifier of the book that contains the
specified section. Use the <function>DtMmdbFreeHandle</function> function
to release the identifier when it is no longer needed. Table lookup is
involved if the section identifier is specified by the
<symbol role="Variable">locator_ptr</symbol> field.
</para>
</refsect1><refsect1>
<title>ARGUMENTS</title>
<variablelist>
<varlistentry><term><symbol role="Variable">request</symbol></term>
<listitem>
<para>Specifies the bookcase in the bookcase descriptor field and
either the section's Database Engine identifier (in the
<symbol role="Variable">primary_oid</symbol> field) or the
section's logical identifier (in the <symbol role="Variable">locator_ptr</symbol>
field). If both of these fields have a value,
<function>DtMmdbSectionGetBookId</function> uses the
<symbol role="Variable">locator_ptr</symbol> value.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1><refsect1>
<title>RETURN VALUE</title>
<para>If <function>DtMmdbSectionGetBookId</function> completes
successfully, it returns a pointer to the book's object identifier.
If it fails, it returns a NULL pointer.
</para>
</refsect1><refsect1>
<title>EXAMPLE</title>
<para>The following shows how a <function>DtMmdbSectionGetBookId</function> call
might be coded.</para>
<informalexample>
<programlisting>DtMmdbInfoRequest request;
/* fill the request here */
handle = DtMmdbSectionGetTocLoc(&amp;request);
</programlisting>
</informalexample>
</refsect1><refsect1>
<title>SEE ALSO</title>
<para>&cdeman.DtMmdbFreeHandle;
</para>
</refsect1></refentry>