/*
 * FFS ?ե????륷???ƥ??Υ????ѥ֥??å?
 */
struct fs {
	int32_t	 fs_firstfield;	   /* ?????????ѥ֥??å??Ѥ˻Ȥ????롢????Ū */
	int32_t	 fs_unused_1;      /*     FS ???󥯥ꥹ?? */
	int32_t	 fs_sblkno;        /* fs ?⥹???ѥ֥??å????ե??å? */
	int32_t	 fs_cblkno;        /* fs ?⥷???????֥??å????ե??å? */
	int32_t	 fs_iblkno;        /* fs ?? inode ?֥??å????ե??å? */
	int32_t	 fs_dblkno;        /* cg ???κǽ??Υǡ????Υ??ե??å? */
	int32_t	 fs_old_cgoffset;  /* ???????????Υ??????????롼?ץ??ե??å? */
	int32_t	 fs_old_cgmask;    /* mod fs_ntrak ?η׻??˻Ȥ????? */
	int32_t  fs_old_time;      /* ?Ǹ??˽񤭹??ޤ줿???? */
	int32_t	 fs_old_size;      /* fs ???Υ֥??å??? */
	int32_t	 fs_old_dsize;     /* fs ???Υǡ????֥??å??? */
	int32_t	 fs_ncg;           /* ???????????롼?פο? */
	int32_t	 fs_bsize;         /* fs ???δ??ܥ֥??å??????? */
	int32_t	 fs_fsize;         /* fs ???Υե饰?????ȥ֥??å??????? */
	int32_t	 fs_frag;          /* fs ?? 1 ?֥??å????Υե饰?????ȿ? */
/* ?ʲ??ϥ????ե??????졼???????ѥ??᡼?? */
	int32_t	 fs_minfree;       /* ?ե꡼?֥??å??κǾ??ѡ??????ơ??? */
	int32_t	 fs_old_rotdelay;  /* ??Ŭ?ʼ??֥??å??Τ????? ms ?? */
	int32_t	 fs_old_rps;       /* 1 ?ä??????Υǥ???????ž */
/* ???????Υե??????ɤ?¾?Υե??????ɤ????׻??Ǥ??? */
	int32_t	 fs_bmask;         /* ``blkoff'' ?֥??å????ե??åȤη׻? */
	int32_t	 fs_fmask;         /* ``fragoff'' ?ե饰?????ȥ??ե??åȤη׻? */
	int32_t	 fs_bshift;        /* ``lblkno'' ?????֥??å??ֹ??η׻? */
	int32_t	 fs_fshift;        /* ``numfrags'' ?ե饰?????ȿ??η׻? */
/* ?ʲ??ϥ????ե??????졼???????ѥ??᡼?? */
	int32_t	 fs_maxcontig;     /* Ϣ³?????֥??å??κ????? */
	int32_t	 fs_maxbpg;        /* ???????????롼?פ??????κ????֥??å??? */
/* ???????Υե??????ɤ?¾?Υե??????ɤ????׻??Ǥ??? */
	int32_t	 fs_fragshift;     /* ?ե饰?????ȥ??եȤ????֥??å? */
	int32_t	 fs_fsbtodb;       /* fsbtodb ?? dbtofsb ???ե????? */
	int32_t	 fs_sbsize;        /* ?????ѥ֥??å??μºݤ??礭?? */
	int32_t	 fs_spare1[2];     /* ?Ť? fs_csmask */
	                           /* ?Ť? fs_csshift */
	int32_t	 fs_nindir;        /* NINDIR ???? */
	int32_t	 fs_inopb;         /* INOPB ???? */
	int32_t	 fs_old_nspf;      /* NSPF ????*/
/* ?̤Υ????ե??????졼???????ѥ??᡼?? */
	int32_t	 fs_optim;         /* ??Ŭ???????򡢰ʲ??򻲾? */
	int32_t	 fs_old_npsect;    /* ͽ?????ޤࡢ?ȥ??å??????ꥻ?????? */
	int32_t	 fs_old_interleave; /* ?ϡ??ɥ??????????????󥿥꡼?? */
	int32_t	 fs_old_trackskew; /* ?ȥ??å????????Υ????? 0 ?????塼 */
	int32_t	 fs_id[2];         /* ???ˡ????ʥե????륷???ƥ? ID */
/* ???????????롼?פο??ȥ??????ˤ????????????륵???? */
	int32_t	 fs_old_csaddr;	   /* ???????????롼???????ΰ??Υ֥??å????ɥ쥹 */
	int32_t	 fs_cssize;        /* ???????????롼???????ΰ??Υ????? */
	int32_t	 fs_cgsize;        /* ???????????롼?ץ????? */
	int32_t	 fs_spare2;        /* ?Ť? fs_ntrak */
	int32_t	 fs_old_nsect;     /* ?ȥ??å????????Υ??????? */
	int32_t  fs_old_spc;       /* ???????????????Υ??????? */
	int32_t	 fs_old_ncyl;      /* ?ե????륷???ƥ??Υ????????? */
	int32_t	 fs_old_cpg;       /* ???롼?פ??????Υ????????? */
	int32_t	 fs_ipg;           /* ???롼?פ??????? inode ?? */
	int32_t	 fs_fpg;           /* ???롼?פ??????Υ֥??å??? * fs_frag */
/* ???Υǡ????ϥ????å??????˺Ʒ׻??????ʤ????Фʤ??ʤ? */
	struct	csum fs_old_cstotal; /* ???????????????? */
/* ?ʲ??Υե??????ɤϥޥ????Ȼ??˥??ꥢ?????? */
	int8_t   fs_fmod;          /* ?????ѥ֥??å??ѹ??ե饰 */
	int8_t   fs_clean;         /* ?ե????륷???ƥब???꡼???Ǥ????ե饰 */
	int8_t 	 fs_ronly;         /* ?ɤ߹??????Ѥǥޥ????Ȥ??줿?ե饰 */
	int8_t   fs_old_flags;     /* ?Ť? FS_ ?ե饰 */
	u_char	 fs_fsmnt[MAXMNTLEN]; /* ?ޥ????Ⱦ?????̾?? */
	u_char	 fs_volname[MAXVOLLEN]; /* ?ܥ??塼??̾ */
	u_int64_t fs_swuid;        /* ?????ƥ??磻?ɤ? UID  */
	int32_t  fs_pad;           /* fs_swuid ?Υ??饤?????????? */
/* ???????Υե??????ɤϸ??ߤΥ֥??å??????־??????ݻ????? */
	int32_t	 fs_cgrotor;       /* ?Ǹ??˸??????줿 cg */
	void 	*fs_ocsp[NOCSPTRS]; /* ?ѥåɡ?fs_cs ?Хåե??Υꥹ?Ȥ??ä? */
	u_int8_t *fs_contigdirs;   /* Ϣ³???????Ƥ??줿 dir ?? */
	struct	csum *fs_csp;      /* fs_cs ?????Хåե??Υꥹ?? */
	int32_t	*fs_maxcluster;    /* ?ƥ??????????롼?פκ??祯?饹?? */
	u_int	*fs_active;        /* fs ?ȥ??å??Ѥˡ????ʥåץ????åȤ????? */
	int32_t	 fs_old_cpc;       /* postbl ???Υ??????뤢?????Υ??????? */
	int32_t	 fs_maxbsize;      /* ?????Υ֥??å??????? */
	int64_t	 fs_sparecon64[17]; /* ?Ť??????ơ????????֥??å??ꥹ?ȥإå? */
	int64_t	 fs_sblockloc;     /* ɸ???Υ????ѥ֥??å??ΥХ??ȥ??ե??å? */
	struct	csum_total fs_cstotal;  /* ???????????????? */
	ufs_time_t fs_time;        /* ?Ǹ??˽񤭹??ޤ줿???? */
	int64_t	 fs_size;          /* fs ???Υ֥??å??? */
	int64_t	 fs_dsize;         /* fs ???Υǡ????֥??å??? */
	ufs2_daddr_t fs_csaddr;    /* ???????????롼???????????ΰ??Υ֥??å????ɥ쥹 */
	int64_t	 fs_pendingblocks; /* ???߳????????Υ֥??å??? */
	int32_t	 fs_pendinginodes; /* ???߳????????? inode ?? */
	int32_t	 fs_snapinum[FSMAXSNAP]; /* ???ʥåץ????å? inode ???Υꥹ?? */
	int32_t	 fs_avgfilesize;   /* ?ե????륵??????ʿ?Ѥδ????? */
	int32_t	 fs_avgfpdir;      /* ?ǥ??쥯?ȥꤢ?????Υե????????δ????? */
	int32_t	 fs_save_cgsize;   /* ?? cg ??????????¸????fs_bsize ?????? */
	int32_t	 fs_sparecon32[26]; /* ???????????Τ?????ͽ?? */
	int32_t  fs_flags;         /* ???Ҥ? FS_ ?ե饰???? */
	int32_t	 fs_contigsumsize; /* ???饹?????????????礭?? */
	int32_t	 fs_maxsymlinklen; /* ?????????ܥ??å????󥯤κ???Ĺ */
	int32_t	 fs_old_inodefmt;  /* ?ǥ????????? inode ?Υե????ޥå? */
	u_int64_t fs_maxfilesize;  /* ????ɽ????ǽ?ե????륵???? */
	int64_t	 fs_qbmask;        /* ~fs_bmask - 64 ?ӥåȥ??????ǻȤ? */
	int64_t	 fs_qfmask;        /* ~fs_fmask - 64 ?ӥåȥ??????ǻȤ? */
	int32_t	 fs_state;         /* fs_clean ?ե??????ɤ?ͭ???Ǥ??뤳?Ȥ򼨤? */
	int32_t	 fs_old_postblformat; /* ???֥쥤?????ȥơ??֥??Υե????ޥå? */
	int32_t	 fs_old_nrpos;     /* ??ž???֤ο? */
	int32_t	 fs_spare5[2];     /* ?Ť? fs_postbloff */
	                           /* ?Ť? fs_rotbloff */
	int32_t	 fs_magic;         /* ?ޥ??å??ʥ??? */
};

/*
 * ?ե????륷???ƥ༱??
 */
#define	FS_UFS1_MAGIC	0x011954    /* UFS1 ?ե????ȥե????륷???ƥ??Υޥ??å??ʥ??? */
#define	FS_UFS2_MAGIC	0x19540119  /* UFS2 ?ե????ȥե????륷???ƥ??Υޥ??å??ʥ??? */
#define	FS_OKAY		0x7c269d38  /* ?????ѥ֥??å??????å????? */
#define FS_42INODEFMT	-1      /* 4.2BSD inode ?ե????ޥå? */
#define FS_44INODEFMT	2       /* 4.4BSD inode ?ե????ޥå? */

/*
 * ??Ŭ???Τ?????????
 */
#define FS_OPTTIME	0	/* ?Ǿ??????????????????? */
#define FS_OPTSPACE	1	/* ?Ǿ??ǥ??????ե饰?????ơ??????? */