查看文件状态以及级联删除软连接

#include <sys/types.h>#include <sys/stat.h>#include <time.h>#include <stdio.h>#include <stdlib.h>intmain(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);}

http://linux.die.net/man/2/stat

Recursively deleting symbolic link and what it points to

http://www.alexonlinux.com/recursively-deleting-symbolic-link-and-what-it-points-to