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

static void print_element_names(xmlNode *);

int main(int argc, char **argv) {
	xmlDocPtr my_doc = NULL;
	xmlNode *root_element = NULL;
	char *filename;
	int rc = 1;

	if (argc != 2) {
		rc = 1;
		goto out;
	}
	filename = argv[1];

	/* ABI checking (opt.) */
	LIBXML_TEST_VERSION

	my_doc = xmlReadFile(filename, NULL, 0);
	if (!my_doc) {
		rc = 1;
		goto out_cleanup;
	}

	/*Get the root element node */
	root_element = xmlDocGetRootElement(my_doc);

	print_element_names(root_element);

	rc = 0;
out_freedoc:
	/* Free parsed DOM tree */
	xmlFreeDoc(my_doc);
out_cleanup:
	/* Cleanup function for the XML library */
	xmlCleanupParser();
out:
	return(rc);
}

static void print_element_names(xmlNode * a_node)
{
	xmlNode *cur_node = NULL;

	for (cur_node = a_node; cur_node; cur_node = cur_node->next) {
		if (cur_node->type == XML_ELEMENT_NODE) {
			printf("node type: Element, name: %s\n", cur_node->name);
		}

		print_element_names(cur_node->children);
	}
}