#include <stdio.h>

#include <libxml/parser.h>
#include <libxml/tree.h>

void xmlNodeWalk(xmlNodePtr node)
{
        xmlChar *data;

        while (NULL != node) {
                if (NULL == node->xmlChildrenNode
                        || XML_TEXT_NODE == node->xmlChildrenNode->type) {
                        data = xmlNodeGetContent(node);
                        printf("[%s][%s]\n", node->name, data);
                        xmlFree(data);
                } else {
                         xmlNodeWalk(node->xmlChildrenNode);
                }
                node = node->next;
        }
}

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

        xmlDocPtr doc;
        xmlNodePtr root;

        xmlKeepBlanksDefault(0);

        doc = xmlParseFile("demo.xml");
        root = xmlDocGetRootElement(doc);
        xmlNodeWalk(root);
        xmlFreeDoc(doc);
        return 0;
}