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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>C. Code for Keyword 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="apb.html" title="B. Sample Document"><link rel="next" href="apd.html" title="D. Code for XPath 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">C. Code for Keyword Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="apb.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="apd.html">Next</a></td></tr></table><hr></div><div class="appendix" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="keywordappendix"></a>C. Code for Keyword Example</h2></div></div><div></div></div><p>
      </p><pre class="programlisting">
#include &lt;stdio.h&gt;
#include &lt;string.h&gt;
#include &lt;stdlib.h&gt;
#include &lt;libxml/xmlmemory.h&gt;
#include &lt;libxml/parser.h&gt;

void
parseStory (xmlDocPtr doc, xmlNodePtr cur) {

	xmlChar *key;
	cur = cur-&gt;xmlChildrenNode;
	while (cur != NULL) {
	    if ((!xmlStrcmp(cur-&gt;name, (const xmlChar *)"keyword"))) {
		    key = xmlNodeListGetString(doc, cur-&gt;xmlChildrenNode, 1);
		    printf("keyword: %s\n", key);
		    xmlFree(key);
 	    }
	cur = cur-&gt;next;
	}
    return;
}

static void
parseDoc(char *docname) {

	xmlDocPtr doc;
	xmlNodePtr cur;

	doc = xmlParseFile(docname);
	
	if (doc == NULL ) {
		fprintf(stderr,"Document not parsed successfully. \n");
		return;
	}
	
	cur = xmlDocGetRootElement(doc);
	
	if (cur == NULL) {
		fprintf(stderr,"empty document\n");
		xmlFreeDoc(doc);
		return;
	}
	
	if (xmlStrcmp(cur-&gt;name, (const xmlChar *) "story")) {
		fprintf(stderr,"document of the wrong type, root node != story");
		xmlFreeDoc(doc);
		return;
	}
	
	cur = cur-&gt;xmlChildrenNode;
	while (cur != NULL) {
		if ((!xmlStrcmp(cur-&gt;name, (const xmlChar *)"storyinfo"))){
			parseStory (doc, cur);
		}
		 
	cur = cur-&gt;next;
	}
	
	xmlFreeDoc(doc);
	return;
}

int
main(int argc, char **argv) {

	char *docname;
		
	if (argc &lt;= 1) {
		printf("Usage: %s docname\n", argv[0]);
		return(0);
	}

	docname = argv[1];
	parseDoc (docname);

	return (1);
}

</pre><p>
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