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1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>G.�Code for Retrieving Attribute Value Example</title><meta name="generator" content="DocBook XSL Stylesheets V1.61.2"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="apf.html" title="F.�Code for Add Attribute Example"><link rel="next" href="aph.html" title="H.�Code for Encoding Conversion Example"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">G.�Code for Retrieving Attribute Value Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="apf.html">Prev</a>�</td><th width="60%" align="center">�</th><td width="20%" align="right">�<a accesskey="n" href="aph.html">Next</a></td></tr></table><hr></div><div class="appendix" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="getattributeappendix"></a>G.�Code for Retrieving Attribute Value Example</h2></div></div><div></div></div><p>
2      </p><pre class="programlisting">
3#include &lt;stdio.h&gt;
4#include &lt;string.h&gt;
5#include &lt;stdlib.h&gt;
6#include &lt;libxml/xmlmemory.h&gt;
7#include &lt;libxml/parser.h&gt;
8
9void
10getReference (xmlDocPtr doc, xmlNodePtr cur) {
11
12	xmlChar *uri;
13	cur = cur-&gt;xmlChildrenNode;
14	while (cur != NULL) {
15	    if ((!xmlStrcmp(cur-&gt;name, (const xmlChar *)"reference"))) {
16		    uri = xmlGetProp(cur, "uri");
17		    printf("uri: %s\n", uri);
18		    xmlFree(uri);
19	    }
20	    cur = cur-&gt;next;
21	}
22	return;
23}
24
25
26void
27parseDoc(char *docname) {
28
29	xmlDocPtr doc;
30	xmlNodePtr cur;
31
32	doc = xmlParseFile(docname);
33
34	if (doc == NULL ) {
35		fprintf(stderr,"Document not parsed successfully. \n");
36		return;
37	}
38
39	cur = xmlDocGetRootElement(doc);
40
41	if (cur == NULL) {
42		fprintf(stderr,"empty document\n");
43		xmlFreeDoc(doc);
44		return;
45	}
46
47	if (xmlStrcmp(cur-&gt;name, (const xmlChar *) "story")) {
48		fprintf(stderr,"document of the wrong type, root node != story");
49		xmlFreeDoc(doc);
50		return;
51	}
52
53	getReference (doc, cur);
54	xmlFreeDoc(doc);
55	return;
56}
57
58int
59main(int argc, char **argv) {
60
61	char *docname;
62
63	if (argc &lt;= 1) {
64		printf("Usage: %s docname\n", argv[0]);
65		return(0);
66	}
67
68	docname = argv[1];
69	parseDoc (docname);
70
71	return (1);
72}
73
74</pre><p>
75    </p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="apf.html">Prev</a>�</td><td width="20%" align="center"><a accesskey="u" href="index.html">Up</a></td><td width="40%" align="right">�<a accesskey="n" href="aph.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">F.�Code for Add Attribute Example�</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">�H.�Code for Encoding Conversion Example</td></tr></table></div></body></html>
76