#include <stdio.h>
#include <dirent.h>
#include <pwd.h>
#include <grp.h>
#include <unistd.h>
#include <sys/stat.h>
#include <stdlib.h>

int main(int argc, char **argv)
{
 DIR *folder;
 struct dirent *name;
 struct stat info;
 struct tm *czas;
 struct passwd *pw;
 struct group *gr;
 struct stat *buf=(struct stat*)malloc(sizeof(struct stat));
 mode_t mode;
 unsigned char usr[]="---";
 unsigned char grp[]="---";
 unsigned char oth[]="---";
 char *buff;
 int i;
 buff=ctime(&buf;->st_atime);
 if ((folder = opendir("."))==NULL)
  perror("Zla sciezka podaj nowa");
 else
 {
  while ((name=readdir(folder))!=NULL)
  {
   if(name->d_name[0] == '.') continue;
   lstat(name->d_name,&info;);
   stat(name->d_name, buf);
   pw=getpwuid(info.st_uid);/*user id*/
   gr=getgrgid(info.st_gid);/*group id*/
   czas=gmtime(&info;.st_mtime);/*czas dostepu*/
   mode=info.st_mode;
   if( mode & S_IRUSR ) usr[0] = 'r';
     if( mode & S_IWUSR ) usr[1] = 'w';
       if( mode & S_IXUSR ) usr[2] = 'x';
         if( mode & S_ISUID ) usr[2] = 's'; /* set UID bit*/
           if( mode & S_IRGRP ) grp[0] = 'r';
      if( mode & S_IWGRP ) grp[1] = 'w';
        if( mode & S_IXGRP ) grp[2] = 'x';
          if( mode & S_ISGID ) grp[2] = 's'; /* set GID bit*/
            if( mode & S_IROTH ) oth[0] = 'r';
       if( mode & S_IWOTH ) oth[1] = 'w';
         if( mode & S_IXOTH ) oth[2] = 'x'; 
   printf("%c %c %c %c %c %c %c %c %c ",usr[0],usr[1],usr[2],grp[0],grp[1],grp[2],oth[0],oth[1],oth[2]);
   printf("%s ",pw->pw_name);
   printf("%s ",gr->gr_name);
   printf("%d ",(int)info.st_size);    
   for (i=0;i<24;i++)
    printf("%c",buff[i]);
   printf("%s\n",name->d_name);
   
  }
 }
 return 0;
}