#ifndef _DIRENT_H
#define _DIRENT_H
#include <sys/types.h>
struct dirent {
    ino_t d_ino;
    char d_name[256];
};
typedef struct { int fd; } DIR;
DIR *opendir(const char *name);
struct dirent *readdir(DIR *dirp);
int closedir(DIR *dirp);
#endif