#include <sys/ioctl.h>
#include <assert.h>
#include <fcntl.h>
#define RANDOM_READ_BYTE 1000
#define RANDOM_WRITE_BYTE 2000
struct address_data{
    int address, data;
};
main()
{
    struct address_data ad = {10,121};
    int fd, r, t = 10;
    fd = open("/dev/seeprom", O_RDONLY);
    assert(fd >= 0);
    r = ioctl(fd, RANDOM_WRITE_BYTE, &ad);
    assert(r == 0);
    r = ioctl(fd, RANDOM_READ_BYTE, &t);
    assert(r == 0);
    printf("%d\n", t);
    
}