#include <unistd.h>
#include <fcntl.h>

int main(int ac, char ** av)
{
	int rv;
	int fd;
	int fd2;
	//int ofs = (6 * 75 + 56) * 2352;
	int ofs = 0;
	unsigned char buf[2352];
	
	if (ac < 3)
		return 1;
	fd = open(av[1], O_RDONLY);
	fd2 = open(av[2], O_WRONLY | O_TRUNC | O_CREAT, 0644);
	if (fd < 0 || fd2 < 0)
		return 1;
	lseek(fd, ofs, SEEK_SET);
	while ((rv = read(fd, buf, 2352)) > 0)
	{
		write(fd2, buf + 16, 2048);
	}
	close(fd2);
	close(fd);
	return 0;
}