c代码读取目录信息

#include <stdio.h>

#include <sys/types.h>

#include <dirent.h>

int main(void)

{

    DIR *dir;

    struct dirent *o;

    dir = opendir ("./");

    if (dir != NULL)

    {

        while ((o = readdir (dir)) != NULL)

        {

            printf("%s %d %llu\n", o->d_name, o->d_type, o->d_ino);

        }

        (void) closedir (dir);

    }

    else

    {

        perror ("Couldn't open the directory");

    }

    return 0;

}