linux c xml解析

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

void parseXML(const char *filename) {
    xmlDocPtr doc;
    xmlNodePtr root_element = NULL;

    doc = xmlReadFile(filename, NULL, 0);
    if (doc == NULL) {
        fprintf(stderr, "Failed to parse %s\n", filename);
        return;
    }

    root_element = xmlDocGetRootElement(doc);
    if (root_element == NULL) {
        fprintf(stderr, "Empty document\n");
        xmlFreeDoc(doc);
        return;
    }

    printf("Root element: %s\n", root_element->name);

    // 遍历子节点
    for (xmlNodePtr cur_node = root_element; cur_node; cur_node = cur_node->next) {
        if (cur_node->type == XML_ELEMENT_NODE) {
            printf("Node name: %s, Node content: %s\n", cur_node->name, (char *)xmlNodeGetContent(cur_node));
        }
    }

    xmlFreeDoc(doc);
    xmlCleanupParser();
}

int main() {
    parseXML("example.xml");
    return 0;
}