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Cream of the Crop 26
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ABSDISKC.C
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C/C++ Source or Header
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1997-07-05
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1KB
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38 lines
/* +++Date last modified: 05-Jul-1997 */
/*
** ABSDISKC.C - Functions to read and write absolute disk sectors
** (these will work with all versions of DOS 2-7).
**
** Public domain code by Bob Stout
**
** NOTE: These functions work by calling absdisk() from SNIPPETS file,
** ABSDISK.ASM. Each returns 0 if successful.
*/
#include <stddef.h>
#include <dos.h>
#include "snpdskio.h"
int CDECL absdisk(unsigned char function,
unsigned short drive, /* 0 = A:, etc. */
size_t number_of_sectors,
size_t starting_sector,
void * sector_buffer);
int AbsDiskRead(unsigned short drive,
size_t num_of_sectors,
size_t sector,
void *ptr)
{
return absdisk(0x25, drive, num_of_sectors, (unsigned)sector, ptr);
}
int AbsDiskWrite(unsigned short drive,
size_t num_of_sectors,
size_t sector,
void *ptr)
{
return absdisk(0x26, drive, num_of_sectors, (unsigned)sector, ptr);
}