int13ext.h File Reference

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Data Structures
struct	driveparams
	Drive parameters. More...
struct	diskaddrpacket
	internal structure to work with int13 extensions More...
Defines
#define	NO_CTLDOS_MEMORY   -2
	"Can't allocate DPMI DOS memory for control structures."
#define	NO_BUFDOS_MEMORY   -3
	"Can't allocate DPMI DOS memory for real-mode buffer."
#define	BUFF_SIZE   0x10000
Typedefs
typedef unsigned char	U8B
typedef unsigned short	U16B
typedef unsigned long	U32B
typedef unsigned long long	U64B
Functions
int	int13ext_check ()
	returns -1 if installed, 0 otherwise
int	int13ext_getdrvparams (int drv, struct driveparams *DParam)
	returns 0 if all goes ok, >0 int13 error, <0 DJGPP error
int	int13ext_read (int drv, struct driveparams *DParam, U64B block, U64B nblocks, void *buffer)
	returns 0 if all goes ok, >0 int13 error, <0 DJGPP error
int	int13ext_write (int drv, struct driveparams *DParam, U64B block, U64B nblocks, void *buffer)
	returns 0 if all goes ok, >0 int13 error, <0 DJGPP error
Variables
driveparams	packed
	Drive parameters.

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Detailed Description

INT13EXT.H

Placed in public domain by techtonik, 2003 <techtonik@users.sourceforge.net>

DJGPP int13 BIOS extensions interface

Definition in file int13ext.h.

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Define Documentation

#define BUFF_SIZE   0x10000

Definition at line 18 of file int13ext.h.

#define NO_BUFDOS_MEMORY   -3

"Can't allocate DPMI DOS memory for real-mode buffer." Definition at line 17 of file int13ext.h. Referenced by int13ext_read(), and int13ext_write().

#define NO_CTLDOS_MEMORY   -2

"Can't allocate DPMI DOS memory for control structures." Definition at line 16 of file int13ext.h. Referenced by int13ext_getdrvparams(), int13ext_read(), and int13ext_write().

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Typedef Documentation

typedef unsigned short U16B

Definition at line 21 of file int13ext.h.

typedef unsigned long U32B

Definition at line 22 of file int13ext.h. Referenced by int13ext_read(), and int13ext_write().

typedef unsigned long long U64B

Definition at line 23 of file int13ext.h. Referenced by int13ext_read(), and int13ext_write().

typedef unsigned char U8B

Definition at line 20 of file int13ext.h.

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Function Documentation

int int13ext_check (   )

returns -1 if installed, 0 otherwise Definition at line 20 of file int13ext.c. Referenced by main().

int int13ext_getdrvparams (  int  drv, struct driveparams *  DParam )

returns 0 if all goes ok, >0 int13 error, <0 DJGPP error Definition at line 43 of file int13ext.c. References driveparams::crsize, and NO_CTLDOS_MEMORY.

int int13ext_read (  int  drv, struct driveparams *  DParam, U64B  block, U64B  nblocks, void *  buffer )

returns 0 if all goes ok, >0 int13 error, <0 DJGPP error Definition at line 75 of file int13ext.c. References diskaddrpacket::buffer_offset, diskaddrpacket::buffer_segment, driveparams::bytes_per_sect, diskaddrpacket::nblocks, NO_BUFDOS_MEMORY, NO_CTLDOS_MEMORY, diskaddrpacket::packetsize, diskaddrpacket::startblock, U32B, and U64B.

int int13ext_write (  int  drv, struct driveparams *  DParam, U64B  block, U64B  nblocks, void *  buffer )

returns 0 if all goes ok, >0 int13 error, <0 DJGPP error Definition at line 140 of file int13ext.c. References diskaddrpacket::buffer_offset, diskaddrpacket::buffer_segment, driveparams::bytes_per_sect, diskaddrpacket::nblocks, NO_BUFDOS_MEMORY, NO_CTLDOS_MEMORY, diskaddrpacket::packetsize, diskaddrpacket::startblock, U32B, and U64B.

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Variable Documentation

struct diskaddrpacket packed

Drive parameters.

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