/* 
    FIPS - the First nondestructive Interactive Partition Splitting program 
     
    Module types.h 
 
    RCS - Header: 
    $Header: c:/daten/c/fips/source/RCS/types.h%v 2.0 1993/04/28 03:32:20 schaefer Exp schaefer $ 
 
    Copyright (C) 1993 Arno Schaefer 
 
    This program is free software; you can redistribute it and/or modify 
    it under the terms of the GNU General Public License as published by 
    the Free Software Foundation; either version 1, or (at your option) 
    any later version. 
 
    This program is distributed in the hope that it will be useful, 
    but WITHOUT ANY WARRANTY; without even the implied warranty of 
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
    GNU General Public License for more details. 
 
    You should have received a copy of the GNU General Public License 
    along with this program; if not, write to the Free Software 
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
*/ 
 
typedef unsigned char byte; 
typedef unsigned int word; 
typedef unsigned long dword; 
 
typedef enum {false,true} boolean; 
 
struct drive_geometry 
{ 
	dword heads; 
	dword cylinders; 
	dword sectors; 
}; 
 
struct physical_sector 
{ 
	dword head; 
	dword cylinder; 
	dword sector; 
}; 
 
struct partition_info 
{ 
	byte bootable;                  /* 80h or 0 */ 
	byte start_head;                /* location of first sector (bootsector) */ 
	word start_cylinder; 
	byte start_sector; 
	byte system;                    /* 1 = 12-bit FAT, 4 = 16-bit FAT & 16-bit sector number */ 
					/* 6 = 16-bit FAT & 32-bit sector number (BIGDOS) */ 
	byte end_head;                  /* location of last sector */ 
	word end_cylinder; 
	byte end_sector; 
	dword start_sector_abs;         /* = start_cylinder * heads * sectors + start_head * sectors */ 
					/* + start_sector - 1 */ 
	dword no_of_sectors_abs;        /* = end_cylinder * heads * sectors + end_head * sectors */ 
					/* + end_sector - start_sector_abs */ 
}; 
 
struct bootsector_info 
{ 
	word bytes_per_sector;          /* usually 512 */ 
	byte sectors_per_cluster;       /* may differ */ 
	word reserved_sectors;          /* usually 1 (bootsector) */ 
	byte no_of_fats;                /* usually 2 */ 
	word no_of_rootdir_entries;     /* usually 512 (?) */ 
	word no_of_sectors;             /* 0 on BIGDOS partitions */ 
	byte media_descriptor;          /* usually F8h */ 
	word sectors_per_fat;           /* depends on partition size */ 
	word sectors_per_track;         /* = sectors */ 
	word drive_heads;               /* = heads */ 
	dword hidden_sectors;           /* first sector of partition */ 
	dword no_of_sectors_long;       /* number of sectors on BIGDOS partitions */ 
	byte phys_drive_no;             /* 80h or 81h */ 
	byte signature;                 /* usually 29h */ 
}; 
