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<div class="section" title="Parsing example code">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="tutorial-parser-example"></a>Parsing example code</h2></div></div></div>
<div class="example">
<a name="raptor-example-rdfprint"></a><p class="title"><b>Example 2. <code class="filename">rdfprint.c</code>: Parse an RDF/XML file and print the triples</b></p>
<div class="example-contents">
<pre class="programlisting">
#include &lt;stdio.h&gt;
#include &lt;raptor.h&gt;

/* rdfprint.c: print triples from parsing RDF/XML */

void
print_triple(void* user_data, const raptor_statement* triple) 
{
  raptor_print_statement_as_ntriples(triple, stdout);
  fputc('\n', stdout);
}

int
main(int argc, char *argv[])
{
  raptor_parser* rdf_parser=NULL;
  unsigned char *uri_string;
  raptor_uri *uri, *base_uri;

  raptor_init();

  rdf_parser=raptor_new_parser("rdfxml");

  raptor_set_statement_handler(rdf_parser, NULL, print_triple);

  uri_string=raptor_uri_filename_to_uri_string(argv[1]);
  uri=raptor_new_uri(uri_string);
  base_uri=raptor_uri_copy(uri);

  raptor_parse_file(rdf_parser, uri, base_uri);

  raptor_free_parser(rdf_parser);

  raptor_free_uri(base_uri);
  raptor_free_uri(uri);
  raptor_free_memory(uri_string);

  raptor_finish();
}

</pre>
<p>Compile it like this:
</p>
<pre class="screen">
$ gcc -o rdfprint rdfprint.c `raptor-config --cflags` `raptor-config --libs`
</pre>
<p>
and run it on an RDF file as:
</p>
<pre class="screen">
$ ./rdfprint raptor.rdf
_:genid1 &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#type&gt; &lt;http://usefulinc.com/ns/doap#Project&gt; .
_:genid1 &lt;http://usefulinc.com/ns/doap#name&gt; "Raptor" .
_:genid1 &lt;http://usefulinc.com/ns/doap#homepage&gt; &lt;http://librdf.org/raptor/&gt; .
...
</pre>
<p>
</p>
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