readdir如何与其他文件操作函数配合使用

<code>#include <stdio.h>
#include <stdlib.h>
#include <dirent.h>
#include <sys/stat.h>
#include <string.h>

void list_directory_contents(const char *path) {
    DIR *dir;
    struct dirent *entry;
    struct stat path_stat;

    dir = opendir(path);
    if (dir == NULL) {
        perror("opendir");
        return;
    }

    while ((entry = readdir(dir)) != NULL) {
        // 跳过当前目录（.）和上级目录（..）
        if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) {
            continue;
        }

        // 构建完整路径
        char full_path[PATH_MAX];
        snprintf(full_path, sizeof(full_path), "%s/%s", path, entry->d_name);

        // 获取文件或目录的信息
        if (stat(full_path, &path_stat) == -1) {
            perror("stat");
            continue;
        }

        // 输出路径名称
        printf("%s\n", full_path);

        // 如果是目录类型，则递归调用
        if (S_ISDIR(path_stat.st_mode)) {
            list_directory_contents(full_path);
        }
    }

    closedir(dir);
}

int main(int argc, char *argv[]) {
    if (argc != 2) {
        fprintf(stderr, "Usage: %s <directory>\n", argv[0]);
        return EXIT_FAILURE;
    }

    list_directory_contents(argv[1]);

    return EXIT_SUCCESS;
}
</string.h></sys/stat.h></dirent.h></stdlib.h></stdio.h></code>