#ifndef _LINUX_HPFS_FS_H#define _LINUX_HPFS_FS_H/* HPFS magic number (word 0 of block 16) */#define HPFS_SUPER_MAGIC 0xf995e849/* The entry point for a VFS */externstruct super_block *hpfs_read_super(struct super_block *,void*,int);externintinit_hpfs_fs(void);#endif