ndk读取文件夹下的文件列表

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    char *dir_path = "/mnt";
    DIR *dir = opendir(dir_path);

    if (dir == NULL) {
        LOGD("open dir error!");
        return -1;
    }

    struct dirent *ptr;
    char buf[100];
    char link_name[100];
    while ((ptr = readdir(dir)) != NULL) {
        switch (ptr->d_type) {
            case DT_LNK:
                sprintf(link_name, "%s/%s\0", dir_path, ptr->d_name);
                readlink(link_name, buf, sizeof(buf));
                LOGD("type: %d name:%s/%s -> %s", ptr->d_type, dir_path, ptr->d_name, buf);
                break;
            default:
                LOGD("type: %d name:%s/%s", ptr->d_type, dir_path, ptr->d_name);
                break;
        }
    }
    closedir(dir);