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<h2><span class="refentrytitle"><a name="rasqal-section-general.top_of_page"></a>General library facilities</span></h2>
<p>General library facilities — Startup and shutdown, memory handling, version checks and misc functions.</p>
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<div class="refsynopsisdiv">
<a name="rasqal-section-general.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">typedef <a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world">rasqal_world</a>;
<span class="returnvalue">void</span> <a class="link" href="rasqal-section-general.html#rasqal-free-world" title="rasqal_free_world ()">rasqal_free_world</a> (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>);
<a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="returnvalue">rasqal_world</span></a> * <a class="link" href="rasqal-section-general.html#rasqal-new-world" title="rasqal_new_world ()">rasqal_new_world</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-general.html#rasqal-world-open" title="rasqal_world_open ()">rasqal_world_open</a> (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>);
<span class="returnvalue">void</span> <a class="link" href="rasqal-section-general.html#rasqal-world-set-log-handler" title="rasqal_world_set_log_handler ()">rasqal_world_set_log_handler</a> (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">void</span> *user_data</code></em>,
<em class="parameter"><code><span class="type">raptor_log_handler</span> handler</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-general.html#rasqal-world-set-warning-level" title="rasqal_world_set_warning_level ()">rasqal_world_set_warning_level</a> (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code>unsigned <span class="type">int</span> warning_level</code></em>);
<span class="returnvalue">raptor_world</span> * <a class="link" href="rasqal-section-general.html#rasqal-world-get-raptor" title="rasqal_world_get_raptor ()">rasqal_world_get_raptor</a> (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>);
<span class="returnvalue">void</span> <a class="link" href="rasqal-section-general.html#rasqal-world-set-raptor" title="rasqal_world_set_raptor ()">rasqal_world_set_raptor</a> (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">raptor_world</span> *raptor_world_ptr</code></em>);
const <span class="returnvalue">raptor_syntax_description</span> * <a class="link" href="rasqal-section-general.html#rasqal-world-get-query-language-description" title="rasqal_world_get_query_language_description ()">rasqal_world_get_query_language_description</a>
(<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code>unsigned <span class="type">int</span> counter</code></em>);
const <span class="returnvalue">raptor_syntax_description</span> * <a class="link" href="rasqal-section-general.html#rasqal-world-get-query-results-format-description" title="rasqal_world_get_query_results_format_description ()">rasqal_world_get_query_results_format_description</a>
(<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code>unsigned <span class="type">int</span> counter</code></em>);
<span class="returnvalue">char</span> * (<a class="link" href="rasqal-section-general.html#rasqal-generate-bnodeid-handler" title="rasqal_generate_bnodeid_handler ()">*rasqal_generate_bnodeid_handler</a>) (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">void</span> *user_data</code></em>,
<em class="parameter"><code>unsigned <span class="type">char</span> *user_bnodeid</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-general.html#rasqal-world-set-generate-bnodeid-handler" title="rasqal_world_set_generate_bnodeid_handler ()">rasqal_world_set_generate_bnodeid_handler</a>
(<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">void</span> *user_data</code></em>,
<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-generate-bnodeid-handler" title="rasqal_generate_bnodeid_handler ()"><span class="type">rasqal_generate_bnodeid_handler</span></a> handler</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-general.html#rasqal-world-set-default-generate-bnodeid-parameters" title="rasqal_world_set_default_generate_bnodeid_parameters ()">rasqal_world_set_default_generate_bnodeid_parameters</a>
(<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">char</span> *prefix</code></em>,
<em class="parameter"><code><span class="type">int</span> base</code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="rasqal-section-general.html#rasqal-world-guess-query-results-format-name" title="rasqal_world_guess_query_results_format_name ()">rasqal_world_guess_query_results_format_name</a>
(<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> *uri</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *mime_type</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *buffer</code></em>,
<em class="parameter"><code><span class="type">size_t</span> len</code></em>,
<em class="parameter"><code>const unsigned <span class="type">char</span> *identifier</code></em>);
extern const unsigned int <a class="link" href="rasqal-section-general.html#rasqal-version-decimal" title="rasqal_version_decimal">rasqal_version_decimal</a>;
extern const unsigned int <a class="link" href="rasqal-section-general.html#rasqal-version-major" title="rasqal_version_major">rasqal_version_major</a>;
extern const unsigned int <a class="link" href="rasqal-section-general.html#rasqal-version-minor" title="rasqal_version_minor">rasqal_version_minor</a>;
extern const unsigned int <a class="link" href="rasqal-section-general.html#rasqal-version-release" title="rasqal_version_release">rasqal_version_release</a>;
extern const char * const <a class="link" href="rasqal-section-general.html#rasqal-version-string" title="rasqal_version_string">rasqal_version_string</a>;
extern const char * const <a class="link" href="rasqal-section-general.html#rasqal-copyright-string" title="rasqal_copyright_string">rasqal_copyright_string</a>;
extern const char * const <a class="link" href="rasqal-section-general.html#rasqal-short-copyright-string" title="rasqal_short_copyright_string">rasqal_short_copyright_string</a>;
extern const char * const <a class="link" href="rasqal-section-general.html#rasqal-home-url-string" title="rasqal_home_url_string">rasqal_home_url_string</a>;
extern const char * const <a class="link" href="rasqal-section-general.html#rasqal-license-string" title="rasqal_license_string">rasqal_license_string</a>;
enum <a class="link" href="rasqal-section-general.html#rasqal-feature" title="enum rasqal_feature">rasqal_feature</a>;
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-general.html#rasqal-language-name-check" title="rasqal_language_name_check ()">rasqal_language_name_check</a> (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-general.html#rasqal-languages-enumerate" title="rasqal_languages_enumerate ()">rasqal_languages_enumerate</a> (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code>unsigned <span class="type">int</span> counter</code></em>,
<em class="parameter"><code>const <span class="type">char</span> **name</code></em>,
<em class="parameter"><code>const <span class="type">char</span> **label</code></em>,
<em class="parameter"><code>const unsigned <span class="type">char</span> **uri_string</code></em>);
<span class="returnvalue">void</span> * <a class="link" href="rasqal-section-general.html#rasqal-alloc-memory" title="rasqal_alloc_memory ()">rasqal_alloc_memory</a> (<em class="parameter"><code><span class="type">size_t</span> size</code></em>);
<span class="returnvalue">void</span> * <a class="link" href="rasqal-section-general.html#rasqal-calloc-memory" title="rasqal_calloc_memory ()">rasqal_calloc_memory</a> (<em class="parameter"><code><span class="type">size_t</span> nmemb</code></em>,
<em class="parameter"><code><span class="type">size_t</span> size</code></em>);
<span class="returnvalue">void</span> <a class="link" href="rasqal-section-general.html#rasqal-free-memory" title="rasqal_free_memory ()">rasqal_free_memory</a> (<em class="parameter"><code><span class="type">void</span> *ptr</code></em>);
<a class="link" href="rasqal-section-general.html#rasqal-feature" title="enum rasqal_feature"><span class="returnvalue">rasqal_feature</span></a> <a class="link" href="rasqal-section-general.html#rasqal-feature-from-uri" title="rasqal_feature_from_uri ()">rasqal_feature_from_uri</a> (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> *uri</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-general.html#rasqal-feature-value-type" title="rasqal_feature_value_type ()">rasqal_feature_value_type</a> (<em class="parameter"><code>const <a class="link" href="rasqal-section-general.html#rasqal-feature" title="enum rasqal_feature"><span class="type">rasqal_feature</span></a> feature</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-general.html#rasqal-features-enumerate" title="rasqal_features_enumerate ()">rasqal_features_enumerate</a> (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code>const <a class="link" href="rasqal-section-general.html#rasqal-feature" title="enum rasqal_feature"><span class="type">rasqal_feature</span></a> feature</code></em>,
<em class="parameter"><code>const <span class="type">char</span> **name</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> **uri</code></em>,
<em class="parameter"><code>const <span class="type">char</span> **label</code></em>);
unsigned <span class="returnvalue">int</span> <a class="link" href="rasqal-section-general.html#rasqal-get-feature-count" title="rasqal_get_feature_count ()">rasqal_get_feature_count</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
#define <a class="link" href="rasqal-section-general.html#RASQAL-DEPRECATED:CAPS" title="RASQAL_DEPRECATED">RASQAL_DEPRECATED</a>
#define <a class="link" href="rasqal-section-general.html#RASQAL-VERSION:CAPS" title="RASQAL_VERSION">RASQAL_VERSION</a>
#define <a class="link" href="rasqal-section-general.html#RASQAL-VERSION-MAJOR:CAPS" title="RASQAL_VERSION_MAJOR">RASQAL_VERSION_MAJOR</a>
#define <a class="link" href="rasqal-section-general.html#RASQAL-VERSION-MINOR:CAPS" title="RASQAL_VERSION_MINOR">RASQAL_VERSION_MINOR</a>
#define <a class="link" href="rasqal-section-general.html#RASQAL-VERSION-RELEASE:CAPS" title="RASQAL_VERSION_RELEASE">RASQAL_VERSION_RELEASE</a>
#define <a class="link" href="rasqal-section-general.html#RASQAL-VERSION-STRING:CAPS" title="RASQAL_VERSION_STRING">RASQAL_VERSION_STRING</a>
#define <a class="link" href="rasqal-section-general.html#RASQAL-RAPTOR-VERSION:CAPS" title="RASQAL_RAPTOR_VERSION">RASQAL_RAPTOR_VERSION</a>
</pre>
</div>
<div class="refsect1">
<a name="rasqal-section-general.description"></a><h2>Description</h2>
<p>
The functions in this section cover general library features such
as startup and shutdown, checking the current library version and
dealing with memory allocation and freeing. It also provides
functions to enumerate and check the supported query languages,
their names, labels and URI.
</p>
</div>
<div class="refsect1">
<a name="rasqal-section-general.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="rasqal-world"></a><h3>rasqal_world</h3>
<pre class="programlisting">rasqal_world* world;
</pre>
<p>
Rasqal world class.
</p>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-free-world"></a><h3>rasqal_free_world ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> rasqal_free_world (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>);</pre>
<p>
Terminate the rasqal library.
</p>
<p>
Destroys a rasqal_world object and all static information.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>rasqal_world object</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-new-world"></a><h3>rasqal_new_world ()</h3>
<pre class="programlisting"><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="returnvalue">rasqal_world</span></a> * rasqal_new_world (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Allocate a new rasqal_world object.
</p>
<p>
The rasqal_world is initialized with <a class="link" href="rasqal-section-general.html#rasqal-world-open" title="rasqal_world_open ()"><code class="function">rasqal_world_open()</code></a>.
Allocation and initialization are decoupled to allow
changing settings on the world object before init.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>rasqal_world object or NULL on failure</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-world-open"></a><h3>rasqal_world_open ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_world_open (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>);</pre>
<p>
Initialise the rasqal library.
</p>
<p>
Initializes a <a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> object created by <a class="link" href="rasqal-section-general.html#rasqal-new-world" title="rasqal_new_world ()"><code class="function">rasqal_new_world()</code></a>.
Allocation and initialization are decoupled to allow
changing settings on the world object before init.
These settings include e.g. the raptor library instance set with
<a class="link" href="rasqal-section-general.html#rasqal-world-set-raptor" title="rasqal_world_set_raptor ()"><code class="function">rasqal_world_set_raptor()</code></a>.
</p>
<p>
The initialized world object is used with subsequent rasqal API calls.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>rasqal_world object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-world-set-log-handler"></a><h3>rasqal_world_set_log_handler ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> rasqal_world_set_log_handler (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">void</span> *user_data</code></em>,
<em class="parameter"><code><span class="type">raptor_log_handler</span> handler</code></em>);</pre>
<p>
Set the log handler for this rasqal_world.
</p>
<p>
Also sets the raptor log handler to the same <em class="parameter"><code>user_data</code></em> and
<em class="parameter"><code>handler</code></em> via <code class="function">raptor_world_set_log_handler()</code>. (Rasqal 0.9.26+)
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>rasqal_world object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data for log handler function</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>handler</code></em> :</span></p></td>
<td>log handler function</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-world-set-warning-level"></a><h3>rasqal_world_set_warning_level ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_world_set_warning_level (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code>unsigned <span class="type">int</span> warning_level</code></em>);</pre>
<p>
Set the rasqal warning reporting level
</p>
<p>
The warning levels used are as follows:
</p>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><p>Level 10 is used for serious warnings that may be errors.
</p></li>
<li class="listitem"><p>Level 30 is used for moderate style warnings.
</p></li>
<li class="listitem"><p>Level 90 is used for strict conformance warnings.
</p></li>
</ol></div>
<p>
</p>
<p>
When this method is called to set a warning level, only warnings
of less than <em class="parameter"><code>warning_level</code></em> are reported. The default warning
level is 50.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>world</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>warning_level</code></em> :</span></p></td>
<td>warning level 0..100</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-world-get-raptor"></a><h3>rasqal_world_get_raptor ()</h3>
<pre class="programlisting"><span class="returnvalue">raptor_world</span> * rasqal_world_get_raptor (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>);</pre>
<p>
Get the <span class="type">raptor_world</span> instance used by this <a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>rasqal_world object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>raptor_world object or NULL on failure (e.g. not initialized)</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-world-set-raptor"></a><h3>rasqal_world_set_raptor ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> rasqal_world_set_raptor (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">raptor_world</span> *raptor_world_ptr</code></em>);</pre>
<p>
Set the <span class="type">raptor_world</span> instance to be used with this <a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a>.
</p>
<p>
If no raptor_world instance is set with this function,
<a class="link" href="rasqal-section-general.html#rasqal-world-open" title="rasqal_world_open ()"><code class="function">rasqal_world_open()</code></a> creates a new instance.
</p>
<p>
Ownership of the raptor_world is not taken. If the raptor library
instance is set with this function, <a class="link" href="rasqal-section-general.html#rasqal-free-world" title="rasqal_free_world ()"><code class="function">rasqal_free_world()</code></a> will not
free it.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>rasqal_world object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>raptor_world_ptr</code></em> :</span></p></td>
<td>raptor_world object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-world-get-query-language-description"></a><h3>rasqal_world_get_query_language_description ()</h3>
<pre class="programlisting">const <span class="returnvalue">raptor_syntax_description</span> * rasqal_world_get_query_language_description
(<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code>unsigned <span class="type">int</span> counter</code></em>);</pre>
<p>
Get query language descriptive information
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>world object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>counter</code></em> :</span></p></td>
<td>index into the list of query languages</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>description or NULL if counter is out of range</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-world-get-query-results-format-description"></a><h3>rasqal_world_get_query_results_format_description ()</h3>
<pre class="programlisting">const <span class="returnvalue">raptor_syntax_description</span> * rasqal_world_get_query_results_format_description
(<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code>unsigned <span class="type">int</span> counter</code></em>);</pre>
<p>
Get query result format descriptive syntax information
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>world object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>counter</code></em> :</span></p></td>
<td>index into the list of query result formats</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>description or NULL if counter is out of range</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-generate-bnodeid-handler"></a><h3>rasqal_generate_bnodeid_handler ()</h3>
<pre class="programlisting"><span class="returnvalue">char</span> * (*rasqal_generate_bnodeid_handler) (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">void</span> *user_data</code></em>,
<em class="parameter"><code>unsigned <span class="type">char</span> *user_bnodeid</code></em>);</pre>
<p>
User handler used with <a class="link" href="rasqal-section-general.html#rasqal-world-set-generate-bnodeid-handler" title="rasqal_world_set_generate_bnodeid_handler ()"><code class="function">rasqal_world_set_generate_bnodeid_handler()</code></a> to set method for generating a blank node ID.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>world arg</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data given to</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_bnodeid</code></em> :</span></p></td>
<td>user blank node ID string passed in</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>blank node ID string or NULL on failure.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-world-set-generate-bnodeid-handler"></a><h3>rasqal_world_set_generate_bnodeid_handler ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_world_set_generate_bnodeid_handler
(<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">void</span> *user_data</code></em>,
<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-generate-bnodeid-handler" title="rasqal_generate_bnodeid_handler ()"><span class="type">rasqal_generate_bnodeid_handler</span></a> handler</code></em>);</pre>
<p>
Set the generate blank node ID handler function
</p>
<p>
Sets the function to generate blank node IDs.
The handler is called with a pointer to the rasqal_world, the
<em class="parameter"><code>user_data</code></em> pointer and a user_bnodeid which is the value of
a user-provided blank node identifier (may be NULL).
It can either be returned directly as the generated value when present or
modified. The passed in value must be <code class="function">free()</code>d if it is not used.
</p>
<p>
If handler is NULL, the default method is used
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data pointer for callback</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>handler</code></em> :</span></p></td>
<td>generate blank ID callback function</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-world-set-default-generate-bnodeid-parameters"></a><h3>rasqal_world_set_default_generate_bnodeid_parameters ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_world_set_default_generate_bnodeid_parameters
(<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">char</span> *prefix</code></em>,
<em class="parameter"><code><span class="type">int</span> base</code></em>);</pre>
<p>
Set default bnodeid generation parameters
</p>
<p>
Sets the parameters for the default algorithm used to generate
blank node IDs. The default algorithm uses both <em class="parameter"><code>prefix</code></em> and <em class="parameter"><code>base</code></em>
to generate a new identifier. The exact identifier generated is
not guaranteed to be a strict concatenation of <em class="parameter"><code>prefix</code></em> and <em class="parameter"><code>base</code></em>
but will use both parts.
</p>
<p>
For finer control of the generated identifiers, use
<a class="link" href="rasqal-section-general.html#rasqal-world-set-generate-bnodeid-handler" title="rasqal_world_set_generate_bnodeid_handler ()"><code class="function">rasqal_world_set_generate_bnodeid_handler()</code></a>
</p>
<p>
If prefix is NULL, the default prefix is used (currently "bnodeid")
If base is less than 1, it is initialised to 1.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>prefix</code></em> :</span></p></td>
<td>prefix string</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>base</code></em> :</span></p></td>
<td>integer base identifier</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-world-guess-query-results-format-name"></a><h3>rasqal_world_guess_query_results_format_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * rasqal_world_guess_query_results_format_name
(<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> *uri</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *mime_type</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *buffer</code></em>,
<em class="parameter"><code><span class="type">size_t</span> len</code></em>,
<em class="parameter"><code>const unsigned <span class="type">char</span> *identifier</code></em>);</pre>
<p>
Guess a query results format name for content.
</p>
<p>
Find a query results format by scoring recognition of the syntax
by a block of characters, the content identifier or a mime type.
The content identifier is typically a filename or URI or some
other identifier.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>world object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uri</code></em> :</span></p></td>
<td>URI identifying the syntax (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>mime_type</code></em> :</span></p></td>
<td>mime type identifying the content (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>buffer of content to guess (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>length of buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>identifier</code></em> :</span></p></td>
<td>identifier of content (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a query results format name or NULL if no guess
could be made</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-version-decimal"></a><h3>rasqal_version_decimal</h3>
<pre class="programlisting">extern const unsigned int rasqal_version_decimal;
</pre>
<p>
Rasqal version as a decimal number.
</p>
<p>
Format: major * 10000 + minor * 100 + release
</p>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-version-major"></a><h3>rasqal_version_major</h3>
<pre class="programlisting">extern const unsigned int rasqal_version_major;
</pre>
<p>
Rasqal major version number.
</p>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-version-minor"></a><h3>rasqal_version_minor</h3>
<pre class="programlisting">extern const unsigned int rasqal_version_minor;
</pre>
<p>
Rasqal minor version number.
</p>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-version-release"></a><h3>rasqal_version_release</h3>
<pre class="programlisting">extern const unsigned int rasqal_version_release;
</pre>
<p>
Rasqal release version number.
</p>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-version-string"></a><h3>rasqal_version_string</h3>
<pre class="programlisting">extern const char * const rasqal_version_string;
</pre>
<p>
Rasqal version as a string.
</p>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-copyright-string"></a><h3>rasqal_copyright_string</h3>
<pre class="programlisting">extern const char * const rasqal_copyright_string;
</pre>
<p>
Copyright string (multiple lines).
</p>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-short-copyright-string"></a><h3>rasqal_short_copyright_string</h3>
<pre class="programlisting">extern const char * const rasqal_short_copyright_string;
</pre>
<p>
Short copyright string (one line).
</p>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-home-url-string"></a><h3>rasqal_home_url_string</h3>
<pre class="programlisting">extern const char * const rasqal_home_url_string;
</pre>
<p>
Rasqal home page URL.
</p>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-license-string"></a><h3>rasqal_license_string</h3>
<pre class="programlisting">extern const char * const rasqal_license_string;
</pre>
<p>
Rasqal license string.
</p>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-feature"></a><h3>enum rasqal_feature</h3>
<pre class="programlisting">typedef enum {
RASQAL_FEATURE_NO_NET,
RASQAL_FEATURE_RAND_SEED,
RASQAL_FEATURE_LAST = RASQAL_FEATURE_RAND_SEED
} rasqal_feature;
</pre>
<p>
Query features.
</p>
<p>
None currently defined.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="RASQAL-FEATURE-NO-NET:CAPS"></a><span class="term"><code class="literal">RASQAL_FEATURE_NO_NET</code></span></p></td>
<td>Deny network requests.
</td>
</tr>
<tr>
<td><p><a name="RASQAL-FEATURE-RAND-SEED:CAPS"></a><span class="term"><code class="literal">RASQAL_FEATURE_RAND_SEED</code></span></p></td>
<td>Set <code class="function">rand()</code> / <code class="function">rand_r()</code> seed
</td>
</tr>
<tr>
<td><p><a name="RASQAL-FEATURE-LAST:CAPS"></a><span class="term"><code class="literal">RASQAL_FEATURE_LAST</code></span></p></td>
<td>Internal.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-language-name-check"></a><h3>rasqal_language_name_check ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_language_name_check (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);</pre>
<p>
Check name of a query language.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>rasqal_world object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td>
<td>the query language name</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non 0 if name is a known query language</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-languages-enumerate"></a><h3>rasqal_languages_enumerate ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_languages_enumerate (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code>unsigned <span class="type">int</span> counter</code></em>,
<em class="parameter"><code>const <span class="type">char</span> **name</code></em>,
<em class="parameter"><code>const <span class="type">char</span> **label</code></em>,
<em class="parameter"><code>const unsigned <span class="type">char</span> **uri_string</code></em>);</pre>
<p>
<em class="parameter"><code>deprecated</code></em>: Use <a class="link" href="rasqal-section-general.html#rasqal-world-get-query-language-description" title="rasqal_world_get_query_language_description ()"><code class="function">rasqal_world_get_query_language_description()</code></a> instead.
</p>
<p>
Get information on query languages.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>rasqal_world object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>counter</code></em> :</span></p></td>
<td>index into the list of syntaxes</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td>
<td>pointer to store the name of the syntax (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>label</code></em> :</span></p></td>
<td>pointer to store syntax readable label (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uri_string</code></em> :</span></p></td>
<td>pointer to store syntax URI string (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non 0 on failure of if counter is out of range</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-alloc-memory"></a><h3>rasqal_alloc_memory ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> * rasqal_alloc_memory (<em class="parameter"><code><span class="type">size_t</span> size</code></em>);</pre>
<p>
Allocate memory inside rasqal.
</p>
<p>
Some systems require memory allocated in a library to
be deallocated in that library. This function allows
memory to be allocated inside the rasqal shared library
that can be freed inside rasqal either internally or via
<a class="link" href="rasqal-section-general.html#rasqal-free-memory" title="rasqal_free_memory ()"><code class="function">rasqal_free_memory()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>size of memory to allocate</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the address of the allocated memory or NULL on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-calloc-memory"></a><h3>rasqal_calloc_memory ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> * rasqal_calloc_memory (<em class="parameter"><code><span class="type">size_t</span> nmemb</code></em>,
<em class="parameter"><code><span class="type">size_t</span> size</code></em>);</pre>
<p>
Allocate zeroed array of items inside rasqal.
</p>
<p>
Some systems require memory allocated in a library to
be deallocated in that library. This function allows
memory to be allocated inside the rasqal shared library
that can be freed inside rasqal either internally or via
<a class="link" href="rasqal-section-general.html#rasqal-free-memory" title="rasqal_free_memory ()"><code class="function">rasqal_free_memory()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>nmemb</code></em> :</span></p></td>
<td>number of members</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>size of item</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the address of the allocated memory or NULL on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-free-memory"></a><h3>rasqal_free_memory ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> rasqal_free_memory (<em class="parameter"><code><span class="type">void</span> *ptr</code></em>);</pre>
<p>
Free memory allocated inside rasqal.
</p>
<p>
Some systems require memory allocated in a library to
be deallocated in that library. This function allows
memory allocated by rasqal to be freed.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>ptr</code></em> :</span></p></td>
<td>memory pointer</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-feature-from-uri"></a><h3>rasqal_feature_from_uri ()</h3>
<pre class="programlisting"><a class="link" href="rasqal-section-general.html#rasqal-feature" title="enum rasqal_feature"><span class="returnvalue">rasqal_feature</span></a> rasqal_feature_from_uri (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> *uri</code></em>);</pre>
<p>
Turn a feature URI into an feature enum.
</p>
<p>
The allowed feature URIs are available via <a class="link" href="rasqal-section-general.html#rasqal-features-enumerate" title="rasqal_features_enumerate ()"><code class="function">rasqal_features_enumerate()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>rasqal_world object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uri</code></em> :</span></p></td>
<td>feature URI</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>< 0 if the feature is unknown</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-feature-value-type"></a><h3>rasqal_feature_value_type ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_feature_value_type (<em class="parameter"><code>const <a class="link" href="rasqal-section-general.html#rasqal-feature" title="enum rasqal_feature"><span class="type">rasqal_feature</span></a> feature</code></em>);</pre>
<p>
Get the type of a features.
</p>
<p>
The type of the <em class="parameter"><code>feature</code></em> is 0=integer , 1=string. Other values are
undefined. Most features are integer values and use
rasqal_query_set_feature <a class="link" href="rasqal-section-query.html#rasqal-query-get-feature" title="rasqal_query_get_feature ()"><code class="function">rasqal_query_get_feature()</code></a>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>feature</code></em> :</span></p></td>
<td>rasqal query feature</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the type of the feature or <0 if <em class="parameter"><code>feature</code></em> is unknown</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-features-enumerate"></a><h3>rasqal_features_enumerate ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_features_enumerate (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code>const <a class="link" href="rasqal-section-general.html#rasqal-feature" title="enum rasqal_feature"><span class="type">rasqal_feature</span></a> feature</code></em>,
<em class="parameter"><code>const <span class="type">char</span> **name</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> **uri</code></em>,
<em class="parameter"><code>const <span class="type">char</span> **label</code></em>);</pre>
<p>
Get list of rasqal features.
</p>
<p>
If uri is not NULL, a pointer to a new raptor_uri is returned
that must be freed by the caller with <code class="function">raptor_free_uri()</code>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>rasqal_world object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>feature</code></em> :</span></p></td>
<td>feature enumeration (0+)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td>
<td>pointer to store feature short name (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uri</code></em> :</span></p></td>
<td>pointer to store feature URI (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>label</code></em> :</span></p></td>
<td>pointer to feature label (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>0 on success, <0 on failure, >0 if feature is unknown</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-get-feature-count"></a><h3>rasqal_get_feature_count ()</h3>
<pre class="programlisting">unsigned <span class="returnvalue">int</span> rasqal_get_feature_count (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Get the count of features defined.
</p>
<p>
This is prefered to the compile time-only symbol <a class="link" href="rasqal-section-general.html#RASQAL-FEATURE-LAST:CAPS"><span class="type">RASQAL_FEATURE_LAST</span></a>
and returns a count of the number of features which is
<a class="link" href="rasqal-section-general.html#RASQAL-FEATURE-LAST:CAPS"><span class="type">RASQAL_FEATURE_LAST</span></a>+1.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>count of features in the <a class="link" href="rasqal-section-general.html#rasqal-feature" title="enum rasqal_feature"><span class="type">rasqal_feature</span></a> enumeration</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="RASQAL-DEPRECATED:CAPS"></a><h3>RASQAL_DEPRECATED</h3>
<pre class="programlisting">#define RASQAL_DEPRECATED __attribute__((deprecated))
</pre>
<p>
When defined before a function, indicates that the function
has been deprecated and may be replaced in a future release.
With some versions of gcc this may give a compilation warning.
</p>
</div>
<hr>
<div class="refsect2">
<a name="RASQAL-VERSION:CAPS"></a><h3>RASQAL_VERSION</h3>
<pre class="programlisting">#define RASQAL_VERSION 932
</pre>
<p>
Rasqal library version number
</p>
<p>
Format: major * 10000 + minor * 100 + release
</p>
</div>
<hr>
<div class="refsect2">
<a name="RASQAL-VERSION-MAJOR:CAPS"></a><h3>RASQAL_VERSION_MAJOR</h3>
<pre class="programlisting">#define RASQAL_VERSION_MAJOR 0
</pre>
<p>
Rasqal library major version
</p>
</div>
<hr>
<div class="refsect2">
<a name="RASQAL-VERSION-MINOR:CAPS"></a><h3>RASQAL_VERSION_MINOR</h3>
<pre class="programlisting">#define RASQAL_VERSION_MINOR 9
</pre>
<p>
Rasqal library minor version
</p>
</div>
<hr>
<div class="refsect2">
<a name="RASQAL-VERSION-RELEASE:CAPS"></a><h3>RASQAL_VERSION_RELEASE</h3>
<pre class="programlisting">#define RASQAL_VERSION_RELEASE 32
</pre>
<p>
Rasqal library release
</p>
</div>
<hr>
<div class="refsect2">
<a name="RASQAL-VERSION-STRING:CAPS"></a><h3>RASQAL_VERSION_STRING</h3>
<pre class="programlisting">#define RASQAL_VERSION_STRING "0.9.32"
</pre>
<p>
Rasqal library version string
</p>
</div>
<hr>
<div class="refsect2">
<a name="RASQAL-RAPTOR-VERSION:CAPS"></a><h3>RASQAL_RAPTOR_VERSION</h3>
<pre class="programlisting">#define RASQAL_RAPTOR_VERSION 20012
</pre>
<p>
Version of Raptor that Rasqal was configured against.
</p>
</div>
</div>
</div>
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