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bsd_disklabel

構文構文

struct bsd_disklabel

ファイル名ファイル名

bsd.c

構造体情報構造体情報

No. 名称 属性説明
1
bsd_disklabel   
  d_magic unsigned int the magic number
  d_type short int drive type
  d_subtype short int controller/d_type specific
  d_typename[16] char type name, e.g. "eagle"
  d_packname[16] char pack identifier
  d_secsize unsigned int # of bytes per sector
  d_nsectors unsigned int # of data sectors per track
  d_ntracks unsigned int # of tracks per cylinder
  d_ncylinders unsigned int # of data cylinders per unit
  d_secpercyl unsigned int # of data sectors per cylinder
  d_secperunit unsigned int # of data sectors per unit
  d_sparespertrack unsigned short # of spare sectors per track
  d_sparespercyl unsigned short # of spare sectors per cylinder
  d_acylinders unsigned int # of alt. cylinders per unit
  d_rpm unsigned short rotational speed
  d_interleave unsigned short hardware sector interleave
  d_trackskew unsigned short sector 0 skew, per track
  d_cylskew unsigned short sector 0 skew, per cylinder
  d_headswitch unsigned int head switch time, usec
  d_trkseek unsigned int track-to-track seek, usec
  d_flags unsigned int generic flags
  d_drivedata[5] unsigned int drive-type specific information
  d_spare[5] unsigned int reserved for future use
  d_magic2 unsigned int the magic number (again)
  d_checksum unsigned short xor of data incl. partitions
  d_npartitions unsigned short number of partitions in following
  d_bbsize unsigned int size of boot area at sn0, bytes
  d_sbsize unsigned int max size of fs superblock, bytes
  p_size bsd_partition unsigned int number of sectors in partition
  p_offset unsigned int starting sector
  p_fsize unsigned int filesystem basic fragment size
  p_fstype unsigned char filesystem type, see below
  p_frag unsigned char filesystem fragments per block
  p_cpg unsigned short filesystem cylinders per group
  d_partitions[XBSD_MAXPARTITIONS]   actually may be more

See Also

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