static void print_perms(const struct stat *sb){
  /*printf("Mode:                     %lo (octal)\n", (unsigned long) sb->st_mode % 01000);*/
  char* username = getlogin();
  struct passwd* pass = getpwnam(username);
  gid_t gid = pass->pw_gid;
  uid_t uid = pass->pw_uid;
  uid_t owner = sb->st_uid;
  gid_t group_own = sb->st_uid;
  printf("Your permisions: \n");
  if(uid==owner) {
    printf("read: ");
    printf( (sb->st_mode & S_IRUSR) ? "yes" : "no");
    printf("\n");
    printf("write: ");
    printf( (sb->st_mode & S_IWUSR) ? "yes" : "no");
    printf("\n");
    printf("execution: ");
    printf( (sb->st_mode & S_IXUSR) ? "yes" : "no");
    printf("\n");
  } else if(gid==group_own) {
    printf("read: ");
    printf( (sb->st_mode & S_IRGRP) ? "yes" : "no");
    printf("\n");
    printf("write: ");
    printf( (sb->st_mode & S_IWGRP) ? "yes" : "no");
    printf("\n");
    printf("execution: ");
    printf( (sb->st_mode & S_IXGRP) ? "yes" : "no");
    printf("\n");
  } else {
    printf("read: ");
    printf( (sb->st_mode & S_IROTH) ? "yes" : "no");
    printf("\n");
    printf("write: ");
    printf( (sb->st_mode & S_IWOTH) ? "yes" : "no");
    printf("\n");
    printf("execution: ");
    printf( (sb->st_mode & S_IXOTH) ? "yes" : "no");
    printf("\n");
  }
}