#include <sys/types.h>
#include <sys/stat.h>
#include <time.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
    struct stat sb;
   if (argc != 2) {
        fprintf(stderr, "Usage: %s <pathname>\n", argv[0]);
        exit(EXIT_FAILURE); }
   if (stat(argv[1], &sb) == -1) {
        perror("stat");
        exit(EXIT_FAILURE); }

   printf("File type:                ");
   switch (sb.st_mode & S_IFMT) {
    case S_IFBLK:  printf("block device\n");            break;
    case S_IFCHR:  printf("character device\n");        break;
    case S_IFDIR:  printf("directory\n");               break;
    case S_IFIFO:  printf("FIFO/pipe\n");               break;
    case S_IFLNK:  printf("symlink\n");                 break;
    case S_IFREG:  printf("regular file\n");            break;
    case S_IFSOCK: printf("socket\n");                  break;
    default:       printf("unknown?\n");                break; }

   printf("I-node number:            %ld\n", (long) sb.st_ino);

   printf("Mode:                     %lo (octal)\n", (unsigned long) sb.st_mode);
   printf("Link count:               %ld\n", (long) sb.st_nlink);
   printf("Ownership:                UID=%ld   GID=%ld\n", (long) sb.st_uid, (long) sb.st_gid);
   printf("Preferred I/O block size: %ld bytes\n", (long) sb.st_blksize);
   printf("File size:                %lld bytes\n", (long long) sb.st_size);
   printf("Blocks allocated:         %lld\n", (long long) sb.st_blocks);
   printf("Last status change:       %s", ctime(&sb.st_ctime));
   printf("Last file access:         %s", ctime(&sb.st_atime));
   printf("Last file modification:   %s", ctime(&sb.st_mtime));
   exit(EXIT_SUCCESS); }