The coding of the program is as follows:
/* Program To Read MBR Partition Table */
# include <bios.h>
/* structure to read the partition entry from partition
table */
struct partition
{
unsigned char bootable ; /* Active Partition Byte */
unsigned char start_side ;/* Starting Head */
unsigned int start_sec_cyl ; /* combination of
Starting sector and
cylinder number */
unsigned char parttype ; /* File system
Indicator Byte */
unsigned char end_side ; /* Ending Head */
unsigned int end_sec_cyl ; /* combination of
Starting sector and
cylinder number */
unsigned long part_beg ; /* Relative Sector
Number */
unsigned long plen ; /* Partition length in
sectors */
} ;
/* Structure to read MBR */
struct part
{
unsigned char master_boot[446] ; /* IPL (Initial
Program Loader)*/
struct partition pt[4] ; /* Partition table */
int lasttwo ; /* Magic Number */
} ;
struct part p ;
void main()
{
clrscr();
/* Read First Sector of first hard disk */
biosdisk ( 2, 0x80, 0, 0, 1, 1, &p ) ;
display(); /* Display the information of MBR
Partition Table */
getch();
}
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