989d921f5d
I'm very pleased to announce the release of our new website and documentation using the new toolchain with Hugo and AsciiDoctor. To get more information about the new toolchain please read the FreeBSD Documentation Project Primer[1], Hugo docs[2] and AsciiDoctor docs[3]. Acknowledgment: Benedict Reuschling <bcr@> Glen Barber <gjb@> Hiroki Sato <hrs@> Li-Wen Hsu <lwhsu@> Sean Chittenden <seanc@> The FreeBSD Foundation [1] https://docs.FreeBSD.org/en/books/fdp-primer/ [2] https://gohugo.io/documentation/ [3] https://docs.asciidoctor.org/home/ Approved by: doceng, core
362 lines
8.7 KiB
Groff
362 lines
8.7 KiB
Groff
.\"
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.\" Copyright (c) 1996 Joerg Wunsch
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.\"
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.\" All rights reserved.
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.\"
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.\" This program is free software.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" %FreeBSD: src/lib/libdisk/libdisk.3,v 1.11.2.10 2001/12/17 10:08:29 ru Exp %
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.\" "
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.\" $FreeBSD$
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.Dd March 15, 1996
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.Dt LIBDISK 3
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.Os
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.Sh ̾¾Î
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.Nm Open_Disk ,
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.Nm Clone_Disk ,
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.Nm Free_Disk ,
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.Nm Debug_Disk ,
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.Nm Set_Bios_Geom ,
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.Nm Delete_Chunk ,
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.Nm Collapse_Disk ,
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.Nm Collapse_Chunk ,
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.Nm Create_Chunk ,
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.Nm All_FreeBSD ,
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.Nm CheckRules ,
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.Nm Disk_Names ,
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.Nm Set_Boot_Mgr ,
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.Nm Set_Boot_Blocks ,
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.Nm Write_Disk ,
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.Nm Cyl_Aligned ,
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.Nm Next_Cyl_Aligned ,
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.Nm Prev_Cyl_Aligned ,
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.Nm Track_Aligned ,
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.Nm Next_Track_Aligned ,
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.Nm Prev_Track_Aligned ,
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.Nm Create_Chunk_DWIM ,
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.Nm MakeDev ,
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.Nm MakeDevDisk ,
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.Nm ShowChunkFlags ,
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.Nm ChunkCanBeRoot ,
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.Nm chunk_n ,
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.Nm slice_type_name
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.Nd ¥¹¥é¥¤¥¹¤ª¤è¤Ó¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¥é¥Ù¥ë¤ËÂФ¹¤ë¥¤¥ó¥¿¥Õ¥§¡¼¥¹¥é¥¤¥Ö¥é¥ê
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.Sh ¥é¥¤¥Ö¥é¥ê
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.Lb libdisk
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.Sh ½ñ¼°
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.In sys/types.h
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.In libdisk.h
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.Pp
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.Vt extern const char *chunk_n[] ;
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.Ft const char *
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.Fn slice_type_name "int type" "int subtype"
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.Ft struct disk *
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.Fn Open_Disk "const char *devname"
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.Ft struct disk *
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.Fn Clone_Disk "struct disk *disk"
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.Ft void
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.Fn Free_Disk "struct disk *disk"
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.Ft void
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.Fn Debug_Disk "struct disk *disk"
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.Ft void
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.Fn Set_Bios_Geom "struct disk *disk" "u_long cyl" "u_long heads" "u_long sects"
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.Ft int
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.Fn Delete_Chunk "struct disk *disk" "struct chunk *"
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.Ft void
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.Fn Collapse_Disk "struct disk *disk"
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.Ft int
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.Fn Collapse_Chunk "struct disk *disk" "struct chunk *chunk"
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.Ft int
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.Fn Create_Chunk "struct disk *disk" "u_long offset" "u_long size" "chunk_e type" "int subtype" "u_long flags"
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.Ft void
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.Fn All_FreeBSD "struct disk *d" "int force_all"
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.Ft char *
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.Fn CheckRules "struct disk *"
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.Ft char **
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.Fn Disk_Names "void"
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.Ft void
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.Fn Set_Boot_Mgr "struct disk *d" "const u_char *bootmgr" "const size_t bootmgr_size"
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.Ft int
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.Fn Set_Boot_Blocks "struct disk *d" "const u_char *boot1" "const u_char *boot2"
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.Ft int
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.Fn Write_Disk "struct disk *d"
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.Ft int
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.Fn Cyl_Aligned "struct disk *d" "u_long offset"
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.Ft u_long
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.Fn Next_Cyl_Aligned "struct disk *d" "u_long offset"
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.Ft u_long
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.Fn Prev_Cyl_Aligned "struct disk *d" "u_long offset"
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.Ft int
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.Fn Track_Aligned "struct disk *d" "u_long offset"
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.Ft u_long
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.Fn Next_Track_Aligned "struct disk *d" "u_long offset"
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.Ft u_long
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.Fn Prev_Track_Aligned "struct disk *d" "u_long offset"
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.Ft struct chunk *
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.Fn Create_Chunk_DWIM "struct disk *d" "struct chunk *parent" "u_long size" "chunk_e type" "int subtype" "u_long flags"
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.Ft int
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.Fn MakeDev "struct chunk *c" "const char *path"
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.Ft int
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.Fn MakeDevDisk "struct disk *d" "const char *path"
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.Ft char *
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.Fn ShowChunkFlags "struct chunk *c"
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.Ft char *
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.Fn ChunkCanBeRoot "struct chunk *c"
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.Sh ²òÀâ
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.Nm libdisk
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¤Ï¡¢Äã¥ì¥Ù¥ë¤Î¥Ç¥£¥¹¥¯¥¹¥é¥¤¥¹
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¤ª¤è¤Ó¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¥é¥Ù¥ë¤ËÂФ¹¤ë¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤òÄ󶡤·¤Þ¤¹¡£
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¤Û¤È¤ó¤É¤Î´Ø¿ô¤Ï¡¢
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.Ql struct disk
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¤Þ¤¿¤Ï
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.Ql struct chunk
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¤È¤¤¤¦·¿¤Î°ú¿ô¤ò¼è¤êÆ°ºî¤·¤Þ¤¹¡£
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.Pp
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¤É¤Á¤é¤Î·¿¤â¥×¥í¥°¥é¥Þ¤Ë¤Ï¤ï¤«¤ê¤Ë¤¯¤¤¤Î¤Ç¡¢´°Á´¤ò´ü¤¹¤¿¤á¤Ë
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°Ê²¼¤ËÆâÉô¹½Â¤¤ò¼¨¤·¤Þ¤¹¡£
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.Bd -literal -offset indent
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struct disk {
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char *name;
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u_long flags;
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u_long bios_cyl;
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u_long bios_hd;
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u_long bios_sect;
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u_char *bootmgr;
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u_char *boot1;
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u_char *boot2;
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struct chunk *chunks;
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u_long sector_size;
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};
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.Ed
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´Ø¿ô¤Ë¤è¤ë¥Õ¥é¥°ÃͤÏ
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.Ql DISK_ON_TRACK
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¤À¤±¤Ç¡¢¥Ç¥£¥¹¥¯¤¬ On-Track ¥Ç¥£¥¹¥¯¥Þ¥Í¡¼¥¸¥ã¤Ë¤è¤Ã¤Æ
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Áàºî¤µ¤ì¤Æ¤¤¤ë¤³¤È¤ò°ÕÌ£¤·¤Þ¤¹¡£
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.Pp
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.Bd -literal -offset indent
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struct chunk {
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struct chunk *next;
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struct chunk *part;
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struct disk *disk;
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long offset;
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u_long size;
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u_long end;
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char *name;
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char *oname;
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chunk_e type;
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int subtype;
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u_long flags;
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void (*private_free)(void*);
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void *(*private_clone)(void*);
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void *private_data;
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};
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.Ed
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.Ql type
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¥Õ¥£¡¼¥ë¥É¤Ï
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.Ql whole, unknown, fat, freebsd, extended, part, unused
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¤Î¤¦¤Á¡¢¤É¤ì¤«°ì¤Ä¤ÎÃͤò¼è¤ê¤Þ¤¹¡£
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.Pp
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°Ê²¼¤Ï
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.Ql struct chunk
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¤Ë¤ª¤¤¤Æ
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.Ql flags
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¤¬¼è¤ë¤³¤È¤Î¤Ç¤¤ëÃͤǤ¹¡£
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.Bl -tag -offset indent -width CHUNK_BSD_COMPATXX
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.It CHUNK_PAST_1024
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¥·¥ê¥ó¥À 1024 ¤ò±Û¤¨¤Æ¤¤¤ë¤¿¤á¡¢¤³¤ÎÎΰ褫¤é¤Ï¥Ö¡¼¥È¤Ç¤¤Þ¤»¤ó¡£
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.It CHUNK_BSD_COMPAT
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¤³¤ÎÎΰè¤Ï¡¢
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.Bx
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¸ß´¹¤Ç¤¢¤ê¡¢
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.Ql wd0s4f -> wd0f
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¤Î¤è¤¦¤Êû½Ì·Á¤â»ÈÍѤǤ¤Þ¤¹¡£
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.It CHUNK_ALIGN
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¤³¤ÎÎΰè¤ÏÀ°¹ç(align)¤·¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£
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.It CHUNK_IS_ROOT
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¤³¤Î
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.Ql part
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¤Ï
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rootfs
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¤Ç¤¢¤ê¡¢¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤ò
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.Ql a
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¤Ë
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³ä¤ê¿¶¤ê¤Þ¤¹¡£
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.It CHUNK_ACTIVE
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MBR Æâ¤Î¥¢¥¯¥Æ¥£¥Ö¥¹¥é¥¤¥¹¤Ç¤¹¡£
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.It CHUNK_FORCE_ALL
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¤¹¤Ù¤Æ¤Î BIOS ¤Ë¤è¤ë¥¸¥ª¥á¥È¥ê²ò¼á¤ò̵»ë¤·¡¢Í¿¤¨¤é¤ì¤¿¥Ç¥£¥¹¥¯Á´ÂΤò
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¶¯À©Åª¤Ë
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.Fx
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ÍѤȤ·¤Þ¤¹¡£
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.El
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.Pp
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¥Õ¥£¡¼¥ë¥É
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.Ql private_data, `private_free', private_clone
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¤Ï¡¢
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¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¸ÇͤΥǡ¼¥¿¡¢¤ª¤è¤Ó¤½¤Î´ÉÍý¤Î¤¿¤á¤Î¤â¤Î¤Ç¤¹¡£¤³¤Î
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µ¡Ç½¤¬¤Ê¤±¤ì¤Ð¡¢µ²±°è¤Î´ÉÍý¤Ï¤Ç¤¤º¡¢¥¯¥í¡¼¥Ë¥ó¥°¤Ë¤è¤ê¥Ý¥¤¥ó¥¿¤¬
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Ê£À½¤µ¤ì¤Æ¤â²òÊü¤Ç¤¤Ê¤¯¤Ê¤ê¤Þ¤¹¡£
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.Pp
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.Fn Open_Disk
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¤Ï¡¢Ì¾Á°Éեǥ£¥¹¥¯¤ò open ¤·¡¢°ì·² (populated) ¤Î¥Ä¥ê¡¼¤ò
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ÊÖ¤·¤Þ¤¹¡£
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.Pp
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.Fn Clone_Disk
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¤Ï¡¢¥Ä¥ê¡¼¤ÎÊ£À½¤òºîÀ®¤·¤Þ¤¹¡£
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.Dq Undo
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µ¡Ç½¤ËÊØÍø¤Ç¤¹¡£
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.Pp
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.Fn Free_Disk
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¤Ï¡¢
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.Fn Open_Disk
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¤Þ¤¿¤Ï
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.Fn Clone_Disk
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¤ÇºîÀ®¤µ¤ì¤¿¥Ä¥ê¡¼¤ò²òÊü¤·¤Þ¤¹¡£
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.Pp
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.Fn Debug_Disk
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¤Ï¡¢É¸½à½ÐÎÏ (stdout)
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¤Î¥Ä¥ê¡¼¤ÎÆâÍƤò½ÐÎϤ·¤Þ¤¹¡£
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.Pp
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.Fn Set_Bios_Geom
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¤Ï¡¢
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BIOS ¤¬»È¤¦¥¸¥ª¥á¥È¥ê¤òÀßÄꤷ¤Þ¤¹¡£
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.Pp
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.Fn Delete_Chunk
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¤Ï¡¢disk_space ¤ÎÎΰè¤ò²òÊü¤·¤Þ¤¹¡£
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.Pp
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.Fn Collapse_Disk
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¤ª¤è¤Ó
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.Fn Collapse_Chunk
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¤Ï¡¢¤Þ¤À»î¸³Åª¤Ê¤â¤Î¤Ê¤Î¤Ç»È¤Ã¤Æ¤Ï¤¤¤±¤Þ¤»¤ó¡£
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.Pp
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.Fn Create_Chunk
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¤Ï¡¢»ØÄꤵ¤ì¤¿¥Ñ¥é¥á¡¼¥¿¤ò»ý¤ÄÎΰè¤òÀ¸À®¤·¤Þ¤¹¡£
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.Pp
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.Fn All_FreeBSD
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¤Ï¡¢¥Ç¥£¥¹¥¯Á´ÂΤò°ì¤Ä¤Î
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.Fx
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¤ÎÎΰè¤òºîÀ®¤·¤Þ¤¹¡£
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.Ql force_all
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¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ë¤È¡¢BIOS ¤Ë¤è¤ë¥¸¥ª¥á¥È¥ê²ò¼á¤ò¤¹¤Ù¤Æ̵»ë¤·¤Þ¤¹¡£
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.Pp
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.Fn CheckRules
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¤Ï¡¢¤³¤Î¥Ç¥£¥¹¥¯¥ì¥¤¥¢¥¦¥È¤ÎÌ·½â¤·¤¿¶è²èµ¬Â§¤Ë¤Ä¤¤¤Æ¤Î·Ù¹ð¤ò
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ʸ»úÎó
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.Ql char*
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¤È¤·¤ÆÊÖ¤·¤Þ¤¹¡£
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.Pp
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.Fn Disk_Names
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¤Ï¡¢
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¤¹¤Ù¤Æ¤Î¥Ç¥£¥¹¥¯Ì¾ (wd0, wd1 ...) ¤ò³ÊǼ¤·¤¿Ê¸»úÎó·²
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.Ql char**
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¤òÊÖ¤·¤Þ¤¹¡£
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ÇÛÎó¤ÈƱÍÍ¡¢³Æ¥Ý¥¤¥ó¥¿¤ò¼êÆ°¤Ç²òÊü¤·¤Ê¤±¤ì¤Ð¤Ê¤ê¤Þ¤»¤ó¡£
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.Pp
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.Fn Set_Boot_Mgr
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¤Ï¡¢¤³¤Î¥Ö¡¼¥È¥Þ¥Í¡¼¥¸¥ã¤ò¥Ç¥£¥¹¥¯¾å¤Ç»È¤¦¤è¤¦¤ËÀßÄꤷ¤Þ¤¹¡£
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.Fn Write_Disk
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¤¬¸Æ¤Ó½Ð¤µ¤ì¤ë¤È¤¤Ë½ñ¤¹þ¤Þ¤ì¤¿¤â¤Î¤ò¼èÆÀ¤·¤Þ¤¹¡£
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.Pp
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.Fn Set_Boot_Blocks
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¤Ï¡¢¥Ç¥£¥¹¥¯¾å¤Ç»È¤ï¤ì¤ë¥Ö¡¼¥È¥Ö¥í¥Ã¥¯¤òÀßÄꤷ¤Þ¤¹¡£
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.Fn Write_Disk
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¤¬¸Æ¤Ó½Ð¤µ¤ì¤ë¤È¤¤Ë½ñ¤¹þ¤Þ¤ì¤¿¤â¤Î¤ò¼èÆÀ¤·¤Þ¤¹¡£
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.Pp
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.Fn Write_Disk
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¤Ï¡¢MBR ¡¢¥Ç¥£¥¹¥¯¥é¥Ù¥ë¡¢¥Ö¡¼¥È¥Ö¥í¥Ã¥¯¡¢¥Ö¡¼¥È¥Þ¥Í¡¼¥¸¥ã
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¤¹¤Ù¤Æ¤ò½ñ¤¹þ¤ß¤Þ¤¹¡£
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.Pp
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.Fn Cyl_Aligned
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¤Ï¡¢BIOS ¥¸¥ª¥á¥È¥ê¤Ë½¾¤Ã¤Æ
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.Ql offset
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¤¬¥·¥ê¥ó¥À¾å¤ËÀ°¹ç¤·¤Æ¤¤¤ë¤«¤É¤¦¤«¤òÄ´¤Ù¤Þ¤¹¡£
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.Pp
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.Fn Next_Cyl_Aligned
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¤Ï¡¢BIOS ¥¸¥ª¥á¥È¥ê¤Ë½¾¤Ã¤Æ
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.Ql offset
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¤ò¼¡¤Î¥·¥ê¥ó¥À¤ËÀÚ¤ê¾å¤²¤ÆÇÛÃÖ¤·¤Þ¤¹¡£
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.Pp
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.Fn Prev_Cyl_Aligned
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¤Ï¡¢BIOS ¥¸¥ª¥á¥È¥ê¤Ë½¾¤Ã¤Æ
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.Ql offset
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¤òÁ°¤Î¥·¥ê¥ó¥À¤ËÀڤ겼¤²¤ÆÇÛÃÖ¤·¤Þ¤¹¡£
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.Pp
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.Fn Track_Aligned
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¤Ï¡¢BIOS ¥¸¥ª¥á¥È¥ê¤Ë½¾¤Ã¤Æ
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.Ql offset
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¤¬¥È¥é¥Ã¥¯¾å¤ËÇÛÃÖ¤µ¤ì¤Æ¤¤¤ë¤«¤É¤¦¤«¤òÄ´¤Ù¤Þ¤¹¡£
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.Pp
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.Fn Next_Track_Aligned
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¤Ï¡¢BIOS ¥¸¥ª¥á¥È¥ê¤Ë½¾¤Ã¤Æ
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.Ql offset
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¤ò¼¡¤Î¥È¥é¥Ã¥¯¤ËÀÚ¤ê¾å¤²¤ÆÇÛÃÖ¤·¤Þ¤¹¡£
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.Pp
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.Fn Prev_Track_Aligned
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¤Ï¡¢BIOS ¥¸¥ª¥á¥È¥ê¤Ë½¾¤Ã¤Æ
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.Ql offset
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¤¬¥È¥é¥Ã¥¯¾å¤ËÇÛÃÖ¤µ¤ì¤Æ¤¤¤ë¤«¤É¤¦¤«¤òÄ´¤Ù¤Þ¤¹¡£
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.Pp
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.Fn Create_Chunk_DWIM
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¤Ï¡¢»ØÄꤵ¤ì¤¿¿ÆÎΰèÆâ¤Ë»ØÄꥵ¥¤¥º¤Î¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤òÀ¸À®¤·¡¢
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¤½¤Î¥Ý¥¤¥ó¥¿¤òÊÖ¤·¤Þ¤¹¡£
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ºÇ½é¤Ë¸«¤Ä¤«¤Ã¤¿½½Ê¬¤ÊÂ礤µ¤Î̤»ÈÍÑÎΰ褬»È¤ï¤ì¤Þ¤¹¡£
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.Pp
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.Fn MakeDev
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¤Ï¡¢¤³¤ÎÎΰè¤Î¥Ç¥Ð¥¤¥¹¥Î¡¼¥É¤òºîÀ®¤·¤Þ¤¹¡£
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.Pp
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.Fn MakeDevDisk
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¤Ï¡¢¥Ç¥£¥¹¥¯¾å¤Ë¤¢¤ë¤¹¤Ù¤Æ¤ÎÎΰè¤Î¥Ç¥Ð¥¤¥¹¥Î¡¼¥É¤òºîÀ®¤·¤Þ¤¹¡£
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.Pp
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.Fn ShowChunkFlags
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¤Ï¡¢¥Õ¥é¥°¤òɽ¼¨¤¹¤ëʸ»úÎó¤òÊÖ¤·¤Þ¤¹¡£
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.Pp
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.Fn ChunkCanBeRoot
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¤Ï¡¢Îΰ褬
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.Ql /
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¤Ë¤Ê¤ì¤ë¤Ê¤é¤Ð¥Ì¥ë¤òÊÖ¤·¤Þ¤¹¡£
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.Pp
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Îΰè̾¤ò¼¨¤¹Ê¸»úÎó¤Ï¡¢³°ÉôÇÛÎóÊÑ¿ô
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.Va chunk_n
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¤ò»È¤Ã¤ÆľÀÜ¥¢¥¯¥»¥¹¤Ç¤¤Þ¤¹¡£
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.Pp
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.Fn slice_type_name
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¤Ï¡¢»ØÄꤵ¤ì¤¿
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.Ql type .
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.Ql subtype
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¤Ë´ØÏ¢¤Å¤±¤é¤ì¤¿Ì¾Á°Ê¸»úÎó¤òÊÖ¤·¤Þ¤¹¡£
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.Fn slice_type_name
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¤¬¥¹¥é¥¤¥¹¤ËÂФ·¤Æ "unknown" ¤òÊÖ¤¹¤Î¤Ï¡¢
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̤ÃΤξì¹ç¡¢¤¹¤Ê¤ï¤Á
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.Ql /
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¤Ç¤¹¡£
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.Pp
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.Sh ºî¼Ô
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.An -nosplit
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